21070310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3023}}^1$

素因数の和:3088

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 20080282

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3023, 3485, 6046, 6970, 15115, 30230, 51391, 102782, 123943, 247886, 256955, 513910, 619715, 1239430, 2107031, 4214062, 10535155, 21070310]

約数ペア:

[(1, 21070310), (2, 10535155), (5, 4214062), (10, 2107031), (17, 1239430), (34, 619715), (41, 513910), (82, 256955), (85, 247886), (170, 123943), (205, 102782), (410, 51391), (697, 30230), (1394, 15115), (3023, 6970), (3485, 6046)]