21463010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 19687582

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 503, 1006, 1255, 2510, 2515, 4267, 5030, 8534, 8551, 17102, 21335, 42670, 42755, 85510, 126253, 252506, 631265, 1262530, 2146301, 4292602, 10731505, 21463010]

約数ペア:

[(1, 21463010), (2, 10731505), (5, 4292602), (10, 2146301), (17, 1262530), (34, 631265), (85, 252506), (170, 126253), (251, 85510), (502, 42755), (503, 42670), (1006, 21335), (1255, 17102), (2510, 8551), (2515, 8534), (4267, 5030)]