21401836

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 18012980

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 1517, 3034, 3527, 6068, 7054, 14108, 130499, 144607, 260998, 289214, 521996, 578428, 5350459, 10700918, 21401836]

約数ペア:

[(1, 21401836), (2, 10700918), (4, 5350459), (37, 578428), (41, 521996), (74, 289214), (82, 260998), (148, 144607), (164, 130499), (1517, 14108), (3034, 7054), (3527, 6068)]