21415340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36923}}^1$

素因数の和:36961

約数の個数: 24

約数和(自身を含む): 46524240

約数和(自身を除く): 25108900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36923, 73846, 147692, 184615, 369230, 738460, 1070767, 2141534, 4283068, 5353835, 10707670, 21415340]

約数ペア:

[(1, 21415340), (2, 10707670), (4, 5353835), (5, 4283068), (10, 2141534), (20, 1070767), (29, 738460), (58, 369230), (116, 184615), (145, 147692), (290, 73846), (580, 36923)]