21174736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3881}}^1$

素因数の和:3931

約数の個数: 40

約数和(自身を含む): 46211328

約数和(自身を除く): 25036592

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3881, 5456, 7762, 15524, 31048, 42691, 62096, 85382, 120311, 170764, 240622, 341528, 481244, 683056, 962488, 1323421, 1924976, 2646842, 5293684, 10587368, 21174736]

約数ペア:

[(1, 21174736), (2, 10587368), (4, 5293684), (8, 2646842), (11, 1924976), (16, 1323421), (22, 962488), (31, 683056), (44, 481244), (62, 341528), (88, 240622), (124, 170764), (176, 120311), (248, 85382), (341, 62096), (496, 42691), (682, 31048), (1364, 15524), (2728, 7762), (3881, 5456)]