21121150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10303}}^1$

素因数の和:10356

約数の個数: 24

約数和(自身を含む): 40247424

約数和(自身を除く): 19126274

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10303, 20606, 51515, 103030, 257575, 422423, 515150, 844846, 2112115, 4224230, 10560575, 21121150]

約数ペア:

[(1, 21121150), (2, 10560575), (5, 4224230), (10, 2112115), (25, 844846), (41, 515150), (50, 422423), (82, 257575), (205, 103030), (410, 51515), (1025, 20606), (2050, 10303)]