21753245556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{105143}}^1$

素因数の和:105981

約数の個数: 72

約数和(自身を含む): 62919851904

約数和(自身を除く): 41166606348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 821, 1642, 2463, 3284, 4926, 5747, 7389, 9852, 11494, 14778, 17241, 22988, 29556, 34482, 51723, 68964, 103446, 105143, 206892, 210286, 315429, 420572, 630858, 736001, 946287, 1261716, 1472002, 1892574, 2208003, 2944004, 3785148, 4416006, 6624009, 8832012, 13248018, 26496036, 86322403, 172644806, 258967209, 345289612, 517934418, 604256821, 776901627, 1035868836, 1208513642, 1553803254, 1812770463, 2417027284, 3107606508, 3625540926, 5438311389, 7251081852, 10876622778, 21753245556]

約数ペア:

[(1, 21753245556), (2, 10876622778), (3, 7251081852), (4, 5438311389), (6, 3625540926), (7, 3107606508), (9, 2417027284), (12, 1812770463), (14, 1553803254), (18, 1208513642), (21, 1035868836), (28, 776901627), (36, 604256821), (42, 517934418), (63, 345289612), (84, 258967209), (126, 172644806), (252, 86322403), (821, 26496036), (1642, 13248018), (2463, 8832012), (3284, 6624009), (4926, 4416006), (5747, 3785148), (7389, 2944004), (9852, 2208003), (11494, 1892574), (14778, 1472002), (17241, 1261716), (22988, 946287), (29556, 736001), (34482, 630858), (51723, 420572), (68964, 315429), (103446, 210286), (105143, 206892)]