21167690030

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25503241}}^1$

素因数の和:25503331

約数の個数: 16

約数和(自身を含む): 38560901904

約数和(自身を除く): 17393211874

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25503241, 51006482, 127516205, 255032410, 2116769003, 4233538006, 10583845015, 21167690030]

約数ペア:

[(1, 21167690030), (2, 10583845015), (5, 4233538006), (10, 2116769003), (83, 255032410), (166, 127516205), (415, 51006482), (830, 25503241)]