21724430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23873}}^1$

素因数の和:23900

約数の個数: 32

約数和(自身を含む): 48129984

約数和(自身を除く): 26405554

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23873, 47746, 119365, 167111, 238730, 310349, 334222, 620698, 835555, 1551745, 1671110, 2172443, 3103490, 4344886, 10862215, 21724430]

約数ペア:

[(1, 21724430), (2, 10862215), (5, 4344886), (7, 3103490), (10, 2172443), (13, 1671110), (14, 1551745), (26, 835555), (35, 620698), (65, 334222), (70, 310349), (91, 238730), (130, 167111), (182, 119365), (455, 47746), (910, 23873)]