21506806

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{709}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 33483600

約数和(自身を除く): 11976794

約数列:

[1, 2, 29, 58, 523, 709, 1046, 1418, 15167, 20561, 30334, 41122, 370807, 741614, 10753403, 21506806]

約数ペア:

[(1, 21506806), (2, 10753403), (29, 741614), (58, 370807), (523, 41122), (709, 30334), (1046, 20561), (1418, 15167)]