21735756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28751}}^1$

素因数の和:28771

約数の個数: 48

約数和(自身を含む): 64404480

約数和(自身を除く): 42668724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28751, 57502, 86253, 115004, 172506, 201257, 258759, 345012, 402514, 517518, 603771, 776277, 805028, 1035036, 1207542, 1552554, 1811313, 2415084, 3105108, 3622626, 5433939, 7245252, 10867878, 21735756]

約数ペア:

[(1, 21735756), (2, 10867878), (3, 7245252), (4, 5433939), (6, 3622626), (7, 3105108), (9, 2415084), (12, 1811313), (14, 1552554), (18, 1207542), (21, 1035036), (27, 805028), (28, 776277), (36, 603771), (42, 517518), (54, 402514), (63, 345012), (84, 258759), (108, 201257), (126, 172506), (189, 115004), (252, 86253), (378, 57502), (756, 28751)]