21856736

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 48480768

約数和(自身を除く): 26624032

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2003, 2728, 4006, 5456, 8012, 10912, 16024, 22033, 32048, 44066, 62093, 64096, 88132, 124186, 176264, 248372, 352528, 496744, 683023, 705056, 993488, 1366046, 1986976, 2732092, 5464184, 10928368, 21856736]

約数ペア:

[(1, 21856736), (2, 10928368), (4, 5464184), (8, 2732092), (11, 1986976), (16, 1366046), (22, 993488), (31, 705056), (32, 683023), (44, 496744), (62, 352528), (88, 248372), (124, 176264), (176, 124186), (248, 88132), (341, 64096), (352, 62093), (496, 44066), (682, 32048), (992, 22033), (1364, 16024), (2003, 10912), (2728, 8012), (4006, 5456)]