21393012

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{929}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 53121600

約数和(自身を除く): 31728588

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 101, 114, 202, 228, 303, 404, 606, 929, 1212, 1858, 1919, 2787, 3716, 3838, 5574, 5757, 7676, 11148, 11514, 17651, 23028, 35302, 52953, 70604, 93829, 105906, 187658, 211812, 281487, 375316, 562974, 1125948, 1782751, 3565502, 5348253, 7131004, 10696506, 21393012]

約数ペア:

[(1, 21393012), (2, 10696506), (3, 7131004), (4, 5348253), (6, 3565502), (12, 1782751), (19, 1125948), (38, 562974), (57, 375316), (76, 281487), (101, 211812), (114, 187658), (202, 105906), (228, 93829), (303, 70604), (404, 52953), (606, 35302), (929, 23028), (1212, 17651), (1858, 11514), (1919, 11148), (2787, 7676), (3716, 5757), (3838, 5574)]