21963422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 39197760

約数和(自身を除く): 17234338

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 79, 158, 221, 289, 442, 481, 578, 629, 962, 1027, 1258, 1343, 2054, 2686, 2923, 3757, 5846, 7514, 8177, 10693, 16354, 17459, 21386, 22831, 34918, 37999, 45662, 49691, 75998, 99382, 139009, 278018, 296803, 593606, 645983, 844747, 1291966, 1689494, 10981711, 21963422]

約数ペア:

[(1, 21963422), (2, 10981711), (13, 1689494), (17, 1291966), (26, 844747), (34, 645983), (37, 593606), (74, 296803), (79, 278018), (158, 139009), (221, 99382), (289, 75998), (442, 49691), (481, 45662), (578, 37999), (629, 34918), (962, 22831), (1027, 21386), (1258, 17459), (1343, 16354), (2054, 10693), (2686, 8177), (2923, 7514), (3757, 5846)]