21639794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 36749376

約数和(自身を除く): 15109582

約数列:

[1, 2, 11, 22, 53, 67, 106, 134, 277, 554, 583, 737, 1166, 1474, 3047, 3551, 6094, 7102, 14681, 18559, 29362, 37118, 39061, 78122, 161491, 204149, 322982, 408298, 983627, 1967254, 10819897, 21639794]

約数ペア:

[(1, 21639794), (2, 10819897), (11, 1967254), (22, 983627), (53, 408298), (67, 322982), (106, 204149), (134, 161491), (277, 78122), (554, 39061), (583, 37118), (737, 29362), (1166, 18559), (1474, 14681), (3047, 7102), (3551, 6094)]