21874550

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1091}}^1$

素因数の和:1504

約数の個数: 24

約数和(自身を含む): 40825512

約数和(自身を除く): 18950962

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1091, 2005, 2182, 4010, 5455, 10025, 10910, 20050, 27275, 54550, 437491, 874982, 2187455, 4374910, 10937275, 21874550]

約数ペア:

[(1, 21874550), (2, 10937275), (5, 4374910), (10, 2187455), (25, 874982), (50, 437491), (401, 54550), (802, 27275), (1091, 20050), (2005, 10910), (2182, 10025), (4010, 5455)]