21536190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39790530

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 79, 90, 117, 130, 158, 195, 233, 234, 237, 390, 395, 466, 474, 585, 699, 711, 790, 1027, 1165, 1170, 1185, 1398, 1422, 2054, 2097, 2330, 2370, 3029, 3081, 3495, 3555, 4194, 5135, 6058, 6162, 6990, 7110, 9087, 9243, 10270, 10485, 15145, 15405, 18174, 18407, 18486, 20970, 27261, 30290, 30810, 36814, 45435, 46215, 54522, 55221, 90870, 92035, 92430, 110442, 136305, 165663, 184070, 239291, 272610, 276105, 331326, 478582, 552210, 717873, 828315, 1196455, 1435746, 1656630, 2153619, 2392910, 3589365, 4307238, 7178730, 10768095, 21536190]

約数ペア:

[(1, 21536190), (2, 10768095), (3, 7178730), (5, 4307238), (6, 3589365), (9, 2392910), (10, 2153619), (13, 1656630), (15, 1435746), (18, 1196455), (26, 828315), (30, 717873), (39, 552210), (45, 478582), (65, 331326), (78, 276105), (79, 272610), (90, 239291), (117, 184070), (130, 165663), (158, 136305), (195, 110442), (233, 92430), (234, 92035), (237, 90870), (390, 55221), (395, 54522), (466, 46215), (474, 45435), (585, 36814), (699, 30810), (711, 30290), (790, 27261), (1027, 20970), (1165, 18486), (1170, 18407), (1185, 18174), (1398, 15405), (1422, 15145), (2054, 10485), (2097, 10270), (2330, 9243), (2370, 9087), (3029, 7110), (3081, 6990), (3495, 6162), (3555, 6058), (4194, 5135)]