21312960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{149}}^2$

素因数の和:318

約数の個数: 84

約数和(自身を含む): 68125848

約数和(自身を除く): 46812888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 149, 160, 192, 240, 298, 320, 447, 480, 596, 745, 894, 960, 1192, 1490, 1788, 2235, 2384, 2980, 3576, 4470, 4768, 5960, 7152, 8940, 9536, 11920, 14304, 17880, 22201, 23840, 28608, 35760, 44402, 47680, 66603, 71520, 88804, 111005, 133206, 143040, 177608, 222010, 266412, 333015, 355216, 444020, 532824, 666030, 710432, 888040, 1065648, 1332060, 1420864, 1776080, 2131296, 2664120, 3552160, 4262592, 5328240, 7104320, 10656480, 21312960]

約数ペア:

[(1, 21312960), (2, 10656480), (3, 7104320), (4, 5328240), (5, 4262592), (6, 3552160), (8, 2664120), (10, 2131296), (12, 1776080), (15, 1420864), (16, 1332060), (20, 1065648), (24, 888040), (30, 710432), (32, 666030), (40, 532824), (48, 444020), (60, 355216), (64, 333015), (80, 266412), (96, 222010), (120, 177608), (149, 143040), (160, 133206), (192, 111005), (240, 88804), (298, 71520), (320, 66603), (447, 47680), (480, 44402), (596, 35760), (745, 28608), (894, 23840), (960, 22201), (1192, 17880), (1490, 14304), (1788, 11920), (2235, 9536), (2384, 8940), (2980, 7152), (3576, 5960), (4470, 4768)]