21431567307

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1\times {\mathrm{128203}}^1$

素因数の和:128850

約数の個数: 16

約数和(自身を含む): 28906412288

約数和(自身を除く): 7474844981

約数列:

[1, 3, 103, 309, 541, 1623, 55723, 128203, 167169, 384609, 13204909, 39614727, 69357823, 208073469, 7143855769, 21431567307]

約数ペア:

[(1, 21431567307), (3, 7143855769), (103, 208073469), (309, 69357823), (541, 39614727), (1623, 13204909), (55723, 384609), (128203, 167169)]