21668370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42487}}^1$

素因数の和:42514

約数の個数: 32

約数和(自身を含む): 55064448

約数和(自身を除く): 33396078

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42487, 84974, 127461, 212435, 254922, 424870, 637305, 722279, 1274610, 1444558, 2166837, 3611395, 4333674, 7222790, 10834185, 21668370]

約数ペア:

[(1, 21668370), (2, 10834185), (3, 7222790), (5, 4333674), (6, 3611395), (10, 2166837), (15, 1444558), (17, 1274610), (30, 722279), (34, 637305), (51, 424870), (85, 254922), (102, 212435), (170, 127461), (255, 84974), (510, 42487)]