21708010

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 40087872

約数和(自身を除く): 18379862

約数列:

[1, 2, 5, 10, 73, 131, 146, 227, 262, 365, 454, 655, 730, 1135, 1310, 2270, 9563, 16571, 19126, 29737, 33142, 47815, 59474, 82855, 95630, 148685, 165710, 297370, 2170801, 4341602, 10854005, 21708010]

約数ペア:

[(1, 21708010), (2, 10854005), (5, 4341602), (10, 2170801), (73, 297370), (131, 165710), (146, 148685), (227, 95630), (262, 82855), (365, 59474), (454, 47815), (655, 33142), (730, 29737), (1135, 19126), (1310, 16571), (2270, 9563)]