21670726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 40930560

約数和(自身を除く): 19259834

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1291, 1526, 2398, 2582, 8393, 9037, 14201, 16786, 18074, 28402, 99407, 140719, 198814, 281438, 985033, 1547909, 1970066, 3095818, 10835363, 21670726]

約数ペア:

[(1, 21670726), (2, 10835363), (7, 3095818), (11, 1970066), (14, 1547909), (22, 985033), (77, 281438), (109, 198814), (154, 140719), (218, 99407), (763, 28402), (1199, 18074), (1291, 16786), (1526, 14201), (2398, 9037), (2582, 8393)]