21205390846

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{22637}}^1$

素因数の和:23220

約数の個数: 32

約数和(自身を含む): 34033063680

約数和(自身を除く): 12827672834

約数列:

[1, 2, 29, 31, 58, 62, 521, 899, 1042, 1798, 15109, 16151, 22637, 30218, 32302, 45274, 468379, 656473, 701747, 936758, 1312946, 1403494, 11793877, 20350663, 23587754, 40701326, 342022433, 365610187, 684044866, 731220374, 10602695423, 21205390846]

約数ペア:

[(1, 21205390846), (2, 10602695423), (29, 731220374), (31, 684044866), (58, 365610187), (62, 342022433), (521, 40701326), (899, 23587754), (1042, 20350663), (1798, 11793877), (15109, 1403494), (16151, 1312946), (22637, 936758), (30218, 701747), (32302, 656473), (45274, 468379)]