21159012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251893}}^1$

素因数の和:251907

約数の個数: 24

約数和(自身を含む): 56424256

約数和(自身を除く): 35265244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251893, 503786, 755679, 1007572, 1511358, 1763251, 3022716, 3526502, 5289753, 7053004, 10579506, 21159012]

約数ペア:

[(1, 21159012), (2, 10579506), (3, 7053004), (4, 5289753), (6, 3526502), (7, 3022716), (12, 1763251), (14, 1511358), (21, 1007572), (28, 755679), (42, 503786), (84, 251893)]