21000618156

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{24181}}^1$

素因数の和:24420

約数の個数: 96

約数和(自身を含む): 57417740800

約数和(自身を除く): 36417122644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 294, 343, 422, 588, 633, 686, 844, 1029, 1266, 1372, 1477, 2058, 2532, 2954, 4116, 4431, 5908, 8862, 10339, 17724, 20678, 24181, 31017, 41356, 48362, 62034, 72373, 72543, 96724, 124068, 144746, 145086, 169267, 217119, 289492, 290172, 338534, 434238, 507801, 677068, 868476, 1015602, 1184869, 2031204, 2369738, 3554607, 4739476, 5102191, 7109214, 8294083, 10204382, 14218428, 15306573, 16588166, 20408764, 24882249, 30613146, 33176332, 35715337, 49764498, 61226292, 71430674, 99528996, 107146011, 142861348, 214292022, 250007359, 428584044, 500014718, 750022077, 1000029436, 1500044154, 1750051513, 3000088308, 3500103026, 5250154539, 7000206052, 10500309078, 21000618156]

約数ペア:

[(1, 21000618156), (2, 10500309078), (3, 7000206052), (4, 5250154539), (6, 3500103026), (7, 3000088308), (12, 1750051513), (14, 1500044154), (21, 1000029436), (28, 750022077), (42, 500014718), (49, 428584044), (84, 250007359), (98, 214292022), (147, 142861348), (196, 107146011), (211, 99528996), (294, 71430674), (343, 61226292), (422, 49764498), (588, 35715337), (633, 33176332), (686, 30613146), (844, 24882249), (1029, 20408764), (1266, 16588166), (1372, 15306573), (1477, 14218428), (2058, 10204382), (2532, 8294083), (2954, 7109214), (4116, 5102191), (4431, 4739476), (5908, 3554607), (8862, 2369738), (10339, 2031204), (17724, 1184869), (20678, 1015602), (24181, 868476), (31017, 677068), (41356, 507801), (48362, 434238), (62034, 338534), (72373, 290172), (72543, 289492), (96724, 217119), (124068, 169267), (144746, 145086)]