21414260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152959}}^1$

素因数の和:152975

約数の個数: 24

約数和(自身を含む): 51394560

約数和(自身を除く): 29980300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152959, 305918, 611836, 764795, 1070713, 1529590, 2141426, 3059180, 4282852, 5353565, 10707130, 21414260]

約数ペア:

[(1, 21414260), (2, 10707130), (4, 5353565), (5, 4282852), (7, 3059180), (10, 2141426), (14, 1529590), (20, 1070713), (28, 764795), (35, 611836), (70, 305918), (140, 152959)]