21024172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 36

約数和(自身を含む): 42120400

約数和(自身を除く): 21096228

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1399, 2798, 3757, 5596, 7514, 15028, 18187, 23783, 36374, 47566, 72748, 95132, 309179, 404311, 618358, 808622, 1236716, 1617244, 5256043, 10512086, 21024172]

約数ペア:

[(1, 21024172), (2, 10512086), (4, 5256043), (13, 1617244), (17, 1236716), (26, 808622), (34, 618358), (52, 404311), (68, 309179), (221, 95132), (289, 72748), (442, 47566), (578, 36374), (884, 23783), (1156, 18187), (1399, 15028), (2798, 7514), (3757, 5596)]