17215940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{122971}}^1$

素因数の和:122987

約数の個数: 24

約数和(自身を含む): 41318592

約数和(自身を除く): 24102652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 122971, 245942, 491884, 614855, 860797, 1229710, 1721594, 2459420, 3443188, 4303985, 8607970, 17215940]

約数ペア:

[(1, 17215940), (2, 8607970), (4, 4303985), (5, 3443188), (7, 2459420), (10, 1721594), (14, 1229710), (20, 860797), (28, 614855), (35, 491884), (70, 245942), (140, 122971)]