21360430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23473}}^1$

素因数の和:23500

約数の個数: 32

約数和(自身を含む): 47323584

約数和(自身を除く): 25963154

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23473, 46946, 117365, 164311, 234730, 305149, 328622, 610298, 821555, 1525745, 1643110, 2136043, 3051490, 4272086, 10680215, 21360430]

約数ペア:

[(1, 21360430), (2, 10680215), (5, 4272086), (7, 3051490), (10, 2136043), (13, 1643110), (14, 1525745), (26, 821555), (35, 610298), (65, 328622), (70, 305149), (91, 234730), (130, 164311), (182, 117365), (455, 46946), (910, 23473)]