21914720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4723}}^1$

素因数の和:4767

約数の個数: 48

約数和(自身を含む): 53570160

約数和(自身を除く): 31655440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4723, 9446, 18892, 23615, 37784, 47230, 75568, 94460, 136967, 151136, 188920, 273934, 377840, 547868, 684835, 755680, 1095736, 1369670, 2191472, 2739340, 4382944, 5478680, 10957360, 21914720]

約数ペア:

[(1, 21914720), (2, 10957360), (4, 5478680), (5, 4382944), (8, 2739340), (10, 2191472), (16, 1369670), (20, 1095736), (29, 755680), (32, 684835), (40, 547868), (58, 377840), (80, 273934), (116, 188920), (145, 151136), (160, 136967), (232, 94460), (290, 75568), (464, 47230), (580, 37784), (928, 23615), (1160, 18892), (2320, 9446), (4640, 4723)]