21863738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15150022

約数列:

[1, 2, 13, 26, 29, 58, 107, 214, 271, 377, 542, 754, 1391, 2782, 3103, 3523, 6206, 7046, 7859, 15718, 28997, 40339, 57994, 80678, 102167, 204334, 376961, 753922, 840913, 1681826, 10931869, 21863738]

約数ペア:

[(1, 21863738), (2, 10931869), (13, 1681826), (26, 840913), (29, 753922), (58, 376961), (107, 204334), (214, 102167), (271, 80678), (377, 57994), (542, 40339), (754, 28997), (1391, 15718), (2782, 7859), (3103, 7046), (3523, 6206)]