21107932215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{86453}}^1$

素因数の和:86899

約数の個数: 32

約数和(自身を含む): 34683961536

約数和(自身を除く): 13576029321

約数列:

[1, 3, 5, 15, 41, 123, 205, 397, 615, 1191, 1985, 5955, 16277, 48831, 81385, 86453, 244155, 259359, 432265, 1296795, 3544573, 10633719, 17722865, 34321841, 53168595, 102965523, 171609205, 514827615, 1407195481, 4221586443, 7035977405, 21107932215]

約数ペア:

[(1, 21107932215), (3, 7035977405), (5, 4221586443), (15, 1407195481), (41, 514827615), (123, 171609205), (205, 102965523), (397, 53168595), (615, 34321841), (1191, 17722865), (1985, 10633719), (5955, 3544573), (16277, 1296795), (48831, 432265), (81385, 259359), (86453, 244155)]