21945455

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{373}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 30931296

約数和(自身を除く): 8985841

約数列:

[1, 5, 7, 35, 41, 205, 287, 373, 1435, 1681, 1865, 2611, 8405, 11767, 13055, 15293, 58835, 76465, 107051, 535255, 627013, 3135065, 4389091, 21945455]

約数ペア:

[(1, 21945455), (5, 4389091), (7, 3135065), (35, 627013), (41, 535255), (205, 107051), (287, 76465), (373, 58835), (1435, 15293), (1681, 13055), (1865, 11767), (2611, 8405)]