21682974

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2312

約数の個数: 32

約数和(自身を含む): 45909504

約数和(自身を除く): 24226530

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2213, 3266, 4426, 4899, 6639, 9798, 13278, 50899, 101798, 152697, 157123, 305394, 314246, 471369, 942738, 3613829, 7227658, 10841487, 21682974]

約数ペア:

[(1, 21682974), (2, 10841487), (3, 7227658), (6, 3613829), (23, 942738), (46, 471369), (69, 314246), (71, 305394), (138, 157123), (142, 152697), (213, 101798), (426, 50899), (1633, 13278), (2213, 9798), (3266, 6639), (4426, 4899)]