21898042012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 50838036480

約数和(自身を除く): 28939994468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 53, 62, 77, 106, 109, 124, 154, 212, 217, 218, 308, 341, 371, 397, 434, 436, 583, 682, 742, 763, 794, 868, 1166, 1199, 1364, 1484, 1526, 1588, 1643, 2332, 2387, 2398, 2779, 3052, 3286, 3379, 4081, 4367, 4774, 4796, 5558, 5777, 6572, 6758, 8162, 8393, 8734, 9548, 11116, 11501, 11554, 12307, 13516, 16324, 16786, 17468, 18073, 21041, 23002, 23108, 23653, 24614, 30569, 33572, 36146, 37169, 40439, 42082, 43273, 46004, 47306, 49228, 61138, 63547, 72292, 74338, 80878, 84164, 86149, 86546, 94612, 122276, 126511, 127094, 135377, 147287, 148676, 161756, 172298, 173092, 179087, 231451, 253022, 254188, 260183, 270754, 294574, 302911, 344596, 358174, 444829, 462902, 476003, 506044, 520366, 541508, 589148, 605822, 652271, 716348, 889658, 925804, 947639, 952006, 1040732, 1211644, 1253609, 1304542, 1341463, 1620157, 1779316, 1895278, 1904012, 1969957, 2293469, 2507218, 2609084, 2682926, 3240314, 3332021, 3790556, 3939914, 4565897, 4586938, 5014436, 5365852, 6480628, 6664042, 7174981, 7879828, 9131794, 9173876, 9390241, 13328084, 13789699, 14349962, 14756093, 16054283, 18263588, 18780482, 25228159, 27579398, 28699924, 29512186, 32108566, 37560964, 50224867, 50456318, 55158796, 59024372, 64217132, 71097539, 100449734, 100912636, 103292651, 142195078, 176597113, 200899468, 206585302, 284390156, 353194226, 413170604, 497682773, 706388452, 782072929, 995365546, 1564145858, 1990731092, 3128291716, 5474510503, 10949021006, 21898042012]

約数ペア:

[(1, 21898042012), (2, 10949021006), (4, 5474510503), (7, 3128291716), (11, 1990731092), (14, 1564145858), (22, 995365546), (28, 782072929), (31, 706388452), (44, 497682773), (53, 413170604), (62, 353194226), (77, 284390156), (106, 206585302), (109, 200899468), (124, 176597113), (154, 142195078), (212, 103292651), (217, 100912636), (218, 100449734), (308, 71097539), (341, 64217132), (371, 59024372), (397, 55158796), (434, 50456318), (436, 50224867), (583, 37560964), (682, 32108566), (742, 29512186), (763, 28699924), (794, 27579398), (868, 25228159), (1166, 18780482), (1199, 18263588), (1364, 16054283), (1484, 14756093), (1526, 14349962), (1588, 13789699), (1643, 13328084), (2332, 9390241), (2387, 9173876), (2398, 9131794), (2779, 7879828), (3052, 7174981), (3286, 6664042), (3379, 6480628), (4081, 5365852), (4367, 5014436), (4774, 4586938), (4796, 4565897), (5558, 3939914), (5777, 3790556), (6572, 3332021), (6758, 3240314), (8162, 2682926), (8393, 2609084), (8734, 2507218), (9548, 2293469), (11116, 1969957), (11501, 1904012), (11554, 1895278), (12307, 1779316), (13516, 1620157), (16324, 1341463), (16786, 1304542), (17468, 1253609), (18073, 1211644), (21041, 1040732), (23002, 952006), (23108, 947639), (23653, 925804), (24614, 889658), (30569, 716348), (33572, 652271), (36146, 605822), (37169, 589148), (40439, 541508), (42082, 520366), (43273, 506044), (46004, 476003), (47306, 462902), (49228, 444829), (61138, 358174), (63547, 344596), (72292, 302911), (74338, 294574), (80878, 270754), (84164, 260183), (86149, 254188), (86546, 253022), (94612, 231451), (122276, 179087), (126511, 173092), (127094, 172298), (135377, 161756), (147287, 148676)]