21376712

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13163}}^1$

素因数の和:13205

約数の個数: 32

約数和(自身を含む): 47390400

約数和(自身を除く): 26013688

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13163, 26326, 52652, 92141, 105304, 184282, 368564, 381727, 737128, 763454, 1526908, 2672089, 3053816, 5344178, 10688356, 21376712]

約数ペア:

[(1, 21376712), (2, 10688356), (4, 5344178), (7, 3053816), (8, 2672089), (14, 1526908), (28, 763454), (29, 737128), (56, 381727), (58, 368564), (116, 184282), (203, 105304), (232, 92141), (406, 52652), (812, 26326), (1624, 13163)]