21725004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258631}}^1$

素因数の和:258645

約数の個数: 24

約数和(自身を含む): 57933568

約数和(自身を除く): 36208564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258631, 517262, 775893, 1034524, 1551786, 1810417, 3103572, 3620834, 5431251, 7241668, 10862502, 21725004]

約数ペア:

[(1, 21725004), (2, 10862502), (3, 7241668), (4, 5431251), (6, 3620834), (7, 3103572), (12, 1810417), (14, 1551786), (21, 1034524), (28, 775893), (42, 517262), (84, 258631)]