21348770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 42011136

約数和(自身を除く): 20662366

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 4051, 5270, 8102, 20255, 40510, 68867, 125581, 137734, 251162, 344335, 627905, 688670, 1255810, 2134877, 4269754, 10674385, 21348770]

約数ペア:

[(1, 21348770), (2, 10674385), (5, 4269754), (10, 2134877), (17, 1255810), (31, 688670), (34, 627905), (62, 344335), (85, 251162), (155, 137734), (170, 125581), (310, 68867), (527, 40510), (1054, 20255), (2635, 8102), (4051, 5270)]