21266028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84389}}^1$

素因数の和:84406

約数の個数: 36

約数和(自身を含む): 61435920

約数和(自身を除く): 40169892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84389, 168778, 253167, 337556, 506334, 590723, 759501, 1012668, 1181446, 1519002, 1772169, 2362892, 3038004, 3544338, 5316507, 7088676, 10633014, 21266028]

約数ペア:

[(1, 21266028), (2, 10633014), (3, 7088676), (4, 5316507), (6, 3544338), (7, 3038004), (9, 2362892), (12, 1772169), (14, 1519002), (18, 1181446), (21, 1012668), (28, 759501), (36, 590723), (42, 506334), (63, 337556), (84, 253167), (126, 168778), (252, 84389)]