21432410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 41186880

約数和(自身を除く): 19754470

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 907, 1390, 1814, 2363, 4535, 4726, 9070, 11815, 15419, 23630, 30838, 77095, 126073, 154190, 252146, 630365, 1260730, 2143241, 4286482, 10716205, 21432410]

約数ペア:

[(1, 21432410), (2, 10716205), (5, 4286482), (10, 2143241), (17, 1260730), (34, 630365), (85, 252146), (139, 154190), (170, 126073), (278, 77095), (695, 30838), (907, 23630), (1390, 15419), (1814, 11815), (2363, 9070), (4535, 4726)]