21842560

素因数分解:

$2^7\times 5^1\times {\mathrm{34129}}^1$

素因数の和:34148

約数の個数: 32

約数和(自身を含む): 52218900

約数和(自身を除く): 30376340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34129, 68258, 136516, 170645, 273032, 341290, 546064, 682580, 1092128, 1365160, 2184256, 2730320, 4368512, 5460640, 10921280, 21842560]

約数ペア:

[(1, 21842560), (2, 10921280), (4, 5460640), (5, 4368512), (8, 2730320), (10, 2184256), (16, 1365160), (20, 1092128), (32, 682580), (40, 546064), (64, 341290), (80, 273032), (128, 170645), (160, 136516), (320, 68258), (640, 34129)]