21031670096

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6882091}}^1$

素因数の和:6882290

約数の個数: 20

約数和(自身を含む): 40962211584

約数和(自身を除く): 19930541488

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6882091, 13764182, 27528364, 55056728, 110113456, 1314479381, 2628958762, 5257917524, 10515835048, 21031670096]

約数ペア:

[(1, 21031670096), (2, 10515835048), (4, 5257917524), (8, 2628958762), (16, 1314479381), (191, 110113456), (382, 55056728), (764, 27528364), (1528, 13764182), (3056, 6882091)]