21745542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39827}}^1$

素因数の和:39852

約数の個数: 32

約数和(自身を含む): 53528832

約数和(自身を除く): 31783290

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39827, 79654, 119481, 238962, 278789, 517751, 557578, 836367, 1035502, 1553253, 1672734, 3106506, 3624257, 7248514, 10872771, 21745542]

約数ペア:

[(1, 21745542), (2, 10872771), (3, 7248514), (6, 3624257), (7, 3106506), (13, 1672734), (14, 1553253), (21, 1035502), (26, 836367), (39, 557578), (42, 517751), (78, 278789), (91, 238962), (182, 119481), (273, 79654), (546, 39827)]