21010598

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 16811866

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 863, 1726, 1739, 3478, 6041, 12082, 12173, 24346, 31931, 40561, 63862, 81122, 223517, 283927, 447034, 567854, 1500757, 3001514, 10505299, 21010598]

約数ペア:

[(1, 21010598), (2, 10505299), (7, 3001514), (14, 1500757), (37, 567854), (47, 447034), (74, 283927), (94, 223517), (259, 81122), (329, 63862), (518, 40561), (658, 31931), (863, 24346), (1726, 12173), (1739, 12082), (3478, 6041)]