21402338

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5659}}^1$

素因数の和:5753

約数の個数: 16

約数和(自身を含む): 33688320

約数和(自身を除く): 12285982

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5659, 11318, 175429, 345199, 350858, 690398, 10701169, 21402338]

約数ペア:

[(1, 21402338), (2, 10701169), (31, 690398), (61, 350858), (62, 345199), (122, 175429), (1891, 11318), (3782, 5659)]