21874425

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5503}}^1$

素因数の和:5569

約数の個数: 24

約数和(自身を含む): 36854784

約数和(自身を除く): 14980359

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5503, 16509, 27515, 82545, 137575, 291659, 412725, 874977, 1458295, 4374885, 7291475, 21874425]

約数ペア:

[(1, 21874425), (3, 7291475), (5, 4374885), (15, 1458295), (25, 874977), (53, 412725), (75, 291659), (159, 137575), (265, 82545), (795, 27515), (1325, 16509), (3975, 5503)]