21243986

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{577}}^1$

素因数の和:1069

約数の個数: 16

約数和(自身を含む): 32772600

約数和(自身を除く): 11528614

約数列:

[1, 2, 41, 82, 449, 577, 898, 1154, 18409, 23657, 36818, 47314, 259073, 518146, 10621993, 21243986]

約数ペア:

[(1, 21243986), (2, 10621993), (41, 518146), (82, 259073), (449, 47314), (577, 36818), (898, 23657), (1154, 18409)]