21000297006

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2448

約数の個数: 160

約数和(自身を含む): 52420138848

約数和(自身を除く): 31419841842

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 81, 82, 107, 117, 123, 162, 214, 234, 246, 321, 351, 369, 533, 642, 702, 738, 963, 1053, 1066, 1107, 1391, 1599, 1926, 2106, 2214, 2273, 2782, 2889, 3198, 3321, 4173, 4387, 4546, 4797, 5778, 6642, 6819, 8346, 8667, 8774, 9594, 12519, 13161, 13638, 14391, 17334, 20457, 25038, 26322, 28782, 29549, 37557, 39483, 40914, 43173, 57031, 59098, 61371, 75114, 78966, 86346, 88647, 93193, 112671, 114062, 118449, 122742, 171093, 177294, 184113, 186386, 225342, 236898, 243211, 265941, 279579, 342186, 355347, 368226, 486422, 513279, 531882, 559158, 710694, 729633, 797823, 838737, 1026558, 1211509, 1459266, 1539837, 1595646, 1677474, 2188899, 2393469, 2423018, 2516211, 3079674, 3161743, 3634527, 4377798, 4619511, 4786938, 5032422, 6323486, 6566697, 7269054, 7548633, 9239022, 9485229, 9971651, 10903581, 13133394, 15097266, 18970458, 19700091, 19943302, 21807162, 28455687, 29914953, 32710743, 39400182, 56911374, 59829906, 65421486, 85367061, 89744859, 98132229, 129631463, 170734122, 179489718, 196264458, 256101183, 259262926, 269234577, 388894389, 512202366, 538469154, 777788778, 807703731, 1166683167, 1615407462, 2333366334, 3500049501, 7000099002, 10500148503, 21000297006]

約数ペア:

[(1, 21000297006), (2, 10500148503), (3, 7000099002), (6, 3500049501), (9, 2333366334), (13, 1615407462), (18, 1166683167), (26, 807703731), (27, 777788778), (39, 538469154), (41, 512202366), (54, 388894389), (78, 269234577), (81, 259262926), (82, 256101183), (107, 196264458), (117, 179489718), (123, 170734122), (162, 129631463), (214, 98132229), (234, 89744859), (246, 85367061), (321, 65421486), (351, 59829906), (369, 56911374), (533, 39400182), (642, 32710743), (702, 29914953), (738, 28455687), (963, 21807162), (1053, 19943302), (1066, 19700091), (1107, 18970458), (1391, 15097266), (1599, 13133394), (1926, 10903581), (2106, 9971651), (2214, 9485229), (2273, 9239022), (2782, 7548633), (2889, 7269054), (3198, 6566697), (3321, 6323486), (4173, 5032422), (4387, 4786938), (4546, 4619511), (4797, 4377798), (5778, 3634527), (6642, 3161743), (6819, 3079674), (8346, 2516211), (8667, 2423018), (8774, 2393469), (9594, 2188899), (12519, 1677474), (13161, 1595646), (13638, 1539837), (14391, 1459266), (17334, 1211509), (20457, 1026558), (25038, 838737), (26322, 797823), (28782, 729633), (29549, 710694), (37557, 559158), (39483, 531882), (40914, 513279), (43173, 486422), (57031, 368226), (59098, 355347), (61371, 342186), (75114, 279579), (78966, 265941), (86346, 243211), (88647, 236898), (93193, 225342), (112671, 186386), (114062, 184113), (118449, 177294), (122742, 171093)]