21605838

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9257}}^1$

素因数の和:9651

約数の個数: 16

約数和(自身を含む): 43327440

約数和(自身を除く): 21721602

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9257, 18514, 27771, 55542, 3600973, 7201946, 10802919, 21605838]

約数ペア:

[(1, 21605838), (2, 10802919), (3, 7201946), (6, 3600973), (389, 55542), (778, 27771), (1167, 18514), (2334, 9257)]