21785922

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 29319678

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 1949, 3726, 3898, 5589, 5847, 11178, 11694, 17541, 35082, 44827, 52623, 89654, 105246, 134481, 157869, 268962, 315738, 403443, 473607, 806886, 947214, 1210329, 2420658, 3630987, 7261974, 10892961, 21785922]

約数ペア:

[(1, 21785922), (2, 10892961), (3, 7261974), (6, 3630987), (9, 2420658), (18, 1210329), (23, 947214), (27, 806886), (46, 473607), (54, 403443), (69, 315738), (81, 268962), (138, 157869), (162, 134481), (207, 105246), (243, 89654), (414, 52623), (486, 44827), (621, 35082), (1242, 17541), (1863, 11694), (1949, 11178), (3726, 5847), (3898, 5589)]