21565602

素因数分解:

$2^1\times 3^4\times {\mathrm{133121}}^1$

素因数の和:133135

約数の個数: 20

約数和(自身を含む): 48323286

約数和(自身を除く): 26757684

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133121, 266242, 399363, 798726, 1198089, 2396178, 3594267, 7188534, 10782801, 21565602]

約数ペア:

[(1, 21565602), (2, 10782801), (3, 7188534), (6, 3594267), (9, 2396178), (18, 1198089), (27, 798726), (54, 399363), (81, 266242), (162, 133121)]