21517070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2693}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 41897088

約数和(自身を除く): 20380018

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2693, 3995, 5386, 7990, 13465, 26930, 45781, 91562, 126571, 228905, 253142, 457810, 632855, 1265710, 2151707, 4303414, 10758535, 21517070]

約数ペア:

[(1, 21517070), (2, 10758535), (5, 4303414), (10, 2151707), (17, 1265710), (34, 632855), (47, 457810), (85, 253142), (94, 228905), (170, 126571), (235, 91562), (470, 45781), (799, 26930), (1598, 13465), (2693, 7990), (3995, 5386)]