21492488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6871}}^1$

素因数の和:6917

約数の個数: 32

約数和(自身を含む): 44530560

約数和(自身を除く): 23038072

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6871, 13742, 27484, 54968, 116807, 158033, 233614, 316066, 467228, 632132, 934456, 1264264, 2686561, 5373122, 10746244, 21492488]

約数ペア:

[(1, 21492488), (2, 10746244), (4, 5373122), (8, 2686561), (17, 1264264), (23, 934456), (34, 632132), (46, 467228), (68, 316066), (92, 233614), (136, 158033), (184, 116807), (391, 54968), (782, 27484), (1564, 13742), (3128, 6871)]