21494801330

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{266983}}^1$

素因数の和:267170

約数の個数: 32

約数和(自身を含む): 39560621184

約数和(自身を除く): 18065819854

約数列:

[1, 2, 5, 10, 83, 97, 166, 194, 415, 485, 830, 970, 8051, 16102, 40255, 80510, 266983, 533966, 1334915, 2669830, 22159589, 25897351, 44319178, 51794702, 110797945, 129486755, 221595890, 258973510, 2149480133, 4298960266, 10747400665, 21494801330]

約数ペア:

[(1, 21494801330), (2, 10747400665), (5, 4298960266), (10, 2149480133), (83, 258973510), (97, 221595890), (166, 129486755), (194, 110797945), (415, 51794702), (485, 44319178), (830, 25897351), (970, 22159589), (8051, 2669830), (16102, 1334915), (40255, 533966), (80510, 266983)]