21741804

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28759}}^1$

素因数の和:28779

約数の個数: 48

約数和(自身を含む): 64422400

約数和(自身を除く): 42680596

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, 28759, 57518, 86277, 115036, 172554, 201313, 258831, 345108, 402626, 517662, 603939, 776493, 805252, 1035324, 1207878, 1552986, 1811817, 2415756, 3105972, 3623634, 5435451, 7247268, 10870902, 21741804]

約数ペア:

[(1, 21741804), (2, 10870902), (3, 7247268), (4, 5435451), (6, 3623634), (7, 3105972), (9, 2415756), (12, 1811817), (14, 1552986), (18, 1207878), (21, 1035324), (27, 805252), (28, 776493), (36, 603939), (42, 517662), (54, 402626), (63, 345108), (84, 258831), (108, 201313), (126, 172554), (189, 115036), (252, 86277), (378, 57518), (756, 28759)]