21920190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3709}}^1$

素因数の和:3916

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 30969570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 3709, 5910, 7418, 11127, 18545, 22254, 37090, 55635, 111270, 730673, 1461346, 2192019, 3653365, 4384038, 7306730, 10960095, 21920190]

約数ペア:

[(1, 21920190), (2, 10960095), (3, 7306730), (5, 4384038), (6, 3653365), (10, 2192019), (15, 1461346), (30, 730673), (197, 111270), (394, 55635), (591, 37090), (985, 22254), (1182, 18545), (1970, 11127), (2955, 7418), (3709, 5910)]