21519110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126583}}^1$

素因数の和:126607

約数の個数: 16

約数和(自身を含む): 41013216

約数和(自身を除く): 19494106

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 126583, 253166, 632915, 1265830, 2151911, 4303822, 10759555, 21519110]

約数ペア:

[(1, 21519110), (2, 10759555), (5, 4303822), (10, 2151911), (17, 1265830), (34, 632915), (85, 253166), (170, 126583)]