21115836

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 48557124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 51, 53, 54, 62, 63, 68, 84, 93, 102, 106, 108, 119, 124, 126, 153, 159, 186, 189, 204, 212, 217, 238, 252, 279, 306, 318, 357, 371, 372, 378, 434, 459, 476, 477, 527, 558, 612, 636, 651, 714, 742, 756, 837, 868, 901, 918, 954, 1054, 1071, 1113, 1116, 1302, 1428, 1431, 1484, 1581, 1643, 1674, 1802, 1836, 1908, 1953, 2108, 2142, 2226, 2604, 2703, 2862, 3162, 3213, 3286, 3339, 3348, 3604, 3689, 3906, 4284, 4452, 4743, 4929, 5406, 5724, 5859, 6307, 6324, 6426, 6572, 6678, 7378, 7812, 8109, 9486, 9858, 10017, 10812, 11067, 11501, 11718, 12614, 12852, 13356, 14229, 14756, 14787, 16218, 18921, 18972, 19716, 20034, 22134, 23002, 23436, 24327, 25228, 27931, 28458, 29574, 32436, 33201, 34503, 37842, 40068, 44268, 44361, 46004, 48654, 55862, 56763, 56916, 59148, 66402, 69006, 75684, 83793, 88722, 97308, 99603, 103509, 111724, 113526, 132804, 138012, 167586, 170289, 177444, 195517, 199206, 207018, 227052, 251379, 310527, 335172, 340578, 391034, 398412, 414036, 502758, 586551, 621054, 681156, 754137, 782068, 1005516, 1173102, 1242108, 1508274, 1759653, 2346204, 3016548, 3519306, 5278959, 7038612, 10557918, 21115836]

約数ペア:

[(1, 21115836), (2, 10557918), (3, 7038612), (4, 5278959), (6, 3519306), (7, 3016548), (9, 2346204), (12, 1759653), (14, 1508274), (17, 1242108), (18, 1173102), (21, 1005516), (27, 782068), (28, 754137), (31, 681156), (34, 621054), (36, 586551), (42, 502758), (51, 414036), (53, 398412), (54, 391034), (62, 340578), (63, 335172), (68, 310527), (84, 251379), (93, 227052), (102, 207018), (106, 199206), (108, 195517), (119, 177444), (124, 170289), (126, 167586), (153, 138012), (159, 132804), (186, 113526), (189, 111724), (204, 103509), (212, 99603), (217, 97308), (238, 88722), (252, 83793), (279, 75684), (306, 69006), (318, 66402), (357, 59148), (371, 56916), (372, 56763), (378, 55862), (434, 48654), (459, 46004), (476, 44361), (477, 44268), (527, 40068), (558, 37842), (612, 34503), (636, 33201), (651, 32436), (714, 29574), (742, 28458), (756, 27931), (837, 25228), (868, 24327), (901, 23436), (918, 23002), (954, 22134), (1054, 20034), (1071, 19716), (1113, 18972), (1116, 18921), (1302, 16218), (1428, 14787), (1431, 14756), (1484, 14229), (1581, 13356), (1643, 12852), (1674, 12614), (1802, 11718), (1836, 11501), (1908, 11067), (1953, 10812), (2108, 10017), (2142, 9858), (2226, 9486), (2604, 8109), (2703, 7812), (2862, 7378), (3162, 6678), (3213, 6572), (3286, 6426), (3339, 6324), (3348, 6307), (3604, 5859), (3689, 5724), (3906, 5406), (4284, 4929), (4452, 4743)]