21249816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126487}}^1$

素因数の和:126503

約数の個数: 32

約数和(自身を含む): 60714240

約数和(自身を除く): 39464424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126487, 252974, 379461, 505948, 758922, 885409, 1011896, 1517844, 1770818, 2656227, 3035688, 3541636, 5312454, 7083272, 10624908, 21249816]

約数ペア:

[(1, 21249816), (2, 10624908), (3, 7083272), (4, 5312454), (6, 3541636), (7, 3035688), (8, 2656227), (12, 1770818), (14, 1517844), (21, 1011896), (24, 885409), (28, 758922), (42, 505948), (56, 379461), (84, 252974), (168, 126487)]