21963440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9467}}^1$

素因数の和:9509

約数の個数: 40

約数和(自身を含む): 52831440

約数和(自身を除く): 30868000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9467, 18934, 37868, 47335, 75736, 94670, 151472, 189340, 274543, 378680, 549086, 757360, 1098172, 1372715, 2196344, 2745430, 4392688, 5490860, 10981720, 21963440]

約数ペア:

[(1, 21963440), (2, 10981720), (4, 5490860), (5, 4392688), (8, 2745430), (10, 2196344), (16, 1372715), (20, 1098172), (29, 757360), (40, 549086), (58, 378680), (80, 274543), (116, 189340), (145, 151472), (232, 94670), (290, 75736), (464, 47335), (580, 37868), (1160, 18934), (2320, 9467)]