21695370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8713}}^1$

素因数の和:8806

約数の個数: 32

約数和(自身を含む): 52702272

約数和(自身を除く): 31006902

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8713, 17426, 26139, 43565, 52278, 87130, 130695, 261390, 723179, 1446358, 2169537, 3615895, 4339074, 7231790, 10847685, 21695370]

約数ペア:

[(1, 21695370), (2, 10847685), (3, 7231790), (5, 4339074), (6, 3615895), (10, 2169537), (15, 1446358), (30, 723179), (83, 261390), (166, 130695), (249, 87130), (415, 52278), (498, 43565), (830, 26139), (1245, 17426), (2490, 8713)]