21562842

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 50922432

約数和(自身を除く): 29359590

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1033, 1491, 2066, 2982, 3099, 3479, 6198, 6958, 7231, 10437, 14462, 20874, 21693, 43386, 50617, 73343, 101234, 146686, 151851, 220029, 303702, 440058, 513401, 1026802, 1540203, 3080406, 3593807, 7187614, 10781421, 21562842]

約数ペア:

[(1, 21562842), (2, 10781421), (3, 7187614), (6, 3593807), (7, 3080406), (14, 1540203), (21, 1026802), (42, 513401), (49, 440058), (71, 303702), (98, 220029), (142, 151851), (147, 146686), (213, 101234), (294, 73343), (426, 50617), (497, 43386), (994, 21693), (1033, 20874), (1491, 14462), (2066, 10437), (2982, 7231), (3099, 6958), (3479, 6198)]