21024236

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 37608480

約数和(自身を除く): 16584244

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 409, 724, 818, 1636, 12851, 25702, 29039, 51404, 58078, 74029, 116156, 148058, 296116, 5256059, 10512118, 21024236]

約数ペア:

[(1, 21024236), (2, 10512118), (4, 5256059), (71, 296116), (142, 148058), (181, 116156), (284, 74029), (362, 58078), (409, 51404), (724, 29039), (818, 25702), (1636, 12851)]