21312036

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4259}}^1$

素因数の和:4408

約数の個数: 36

約数和(自身を含む): 54272400

約数和(自身を除く): 32960364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4259, 5004, 8518, 12777, 17036, 25554, 38331, 51108, 76662, 153324, 592001, 1184002, 1776003, 2368004, 3552006, 5328009, 7104012, 10656018, 21312036]

約数ペア:

[(1, 21312036), (2, 10656018), (3, 7104012), (4, 5328009), (6, 3552006), (9, 2368004), (12, 1776003), (18, 1184002), (36, 592001), (139, 153324), (278, 76662), (417, 51108), (556, 38331), (834, 25554), (1251, 17036), (1668, 12777), (2502, 8518), (4259, 5004)]