21906658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 36316800

約数和(自身を除く): 14410142

約数列:

[1, 2, 19, 29, 38, 58, 103, 193, 206, 386, 551, 1102, 1957, 2987, 3667, 3914, 5597, 5974, 7334, 11194, 19879, 39758, 56753, 106343, 113506, 212686, 377701, 576491, 755402, 1152982, 10953329, 21906658]

約数ペア:

[(1, 21906658), (2, 10953329), (19, 1152982), (29, 755402), (38, 576491), (58, 377701), (103, 212686), (193, 113506), (206, 106343), (386, 56753), (551, 39758), (1102, 19879), (1957, 11194), (2987, 7334), (3667, 5974), (3914, 5597)]