21502854

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{811}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 47940480

約数和(自身を除く): 26437626

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 811, 982, 1473, 1622, 2433, 2946, 4419, 4866, 7299, 8838, 13257, 14598, 21897, 26514, 43794, 398201, 796402, 1194603, 2389206, 3583809, 7167618, 10751427, 21502854]

約数ペア:

[(1, 21502854), (2, 10751427), (3, 7167618), (6, 3583809), (9, 2389206), (18, 1194603), (27, 796402), (54, 398201), (491, 43794), (811, 26514), (982, 21897), (1473, 14598), (1622, 13257), (2433, 8838), (2946, 7299), (4419, 4866)]