21432830

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4261}}^1$

素因数の和:4771

約数の個数: 16

約数和(自身を含む): 38664864

約数和(自身を除く): 17232034

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 4261, 5030, 8522, 21305, 42610, 2143283, 4286566, 10716415, 21432830]

約数ペア:

[(1, 21432830), (2, 10716415), (5, 4286566), (10, 2143283), (503, 42610), (1006, 21305), (2515, 8522), (4261, 5030)]