21103225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5903}}^1$

素因数の和:5937

約数の個数: 24

約数和(自身を含む): 30748032

約数和(自身を除く): 9644807

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5903, 29515, 64933, 76739, 147575, 324665, 383695, 844129, 1623325, 1918475, 4220645, 21103225]

約数ペア:

[(1, 21103225), (5, 4220645), (11, 1918475), (13, 1623325), (25, 844129), (55, 383695), (65, 324665), (143, 147575), (275, 76739), (325, 64933), (715, 29515), (3575, 5903)]