21149136

素因数分解:

$2^4\times 3^2\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:888

約数の個数: 60

約数和(自身を含む): 59540832

約数和(自身を除く): 38391696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 227, 454, 647, 681, 908, 1294, 1362, 1816, 1941, 2043, 2588, 2724, 3632, 3882, 4086, 5176, 5448, 5823, 7764, 8172, 10352, 10896, 11646, 15528, 16344, 23292, 31056, 32688, 46584, 93168, 146869, 293738, 440607, 587476, 881214, 1174952, 1321821, 1762428, 2349904, 2643642, 3524856, 5287284, 7049712, 10574568, 21149136]

約数ペア:

[(1, 21149136), (2, 10574568), (3, 7049712), (4, 5287284), (6, 3524856), (8, 2643642), (9, 2349904), (12, 1762428), (16, 1321821), (18, 1174952), (24, 881214), (36, 587476), (48, 440607), (72, 293738), (144, 146869), (227, 93168), (454, 46584), (647, 32688), (681, 31056), (908, 23292), (1294, 16344), (1362, 15528), (1816, 11646), (1941, 10896), (2043, 10352), (2588, 8172), (2724, 7764), (3632, 5823), (3882, 5448), (4086, 5176)]