21116856

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 56743200

約数和(自身を除く): 35626344

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 73, 102, 136, 146, 204, 219, 292, 408, 438, 584, 709, 876, 1241, 1418, 1752, 2127, 2482, 2836, 3723, 4254, 4964, 5672, 7446, 8508, 9928, 12053, 14892, 17016, 24106, 29784, 36159, 48212, 51757, 72318, 96424, 103514, 144636, 155271, 207028, 289272, 310542, 414056, 621084, 879869, 1242168, 1759738, 2639607, 3519476, 5279214, 7038952, 10558428, 21116856]

約数ペア:

[(1, 21116856), (2, 10558428), (3, 7038952), (4, 5279214), (6, 3519476), (8, 2639607), (12, 1759738), (17, 1242168), (24, 879869), (34, 621084), (51, 414056), (68, 310542), (73, 289272), (102, 207028), (136, 155271), (146, 144636), (204, 103514), (219, 96424), (292, 72318), (408, 51757), (438, 48212), (584, 36159), (709, 29784), (876, 24106), (1241, 17016), (1418, 14892), (1752, 12053), (2127, 9928), (2482, 8508), (2836, 7446), (3723, 5672), (4254, 4964)]