21617032

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 41542200

約数和(自身を除く): 19925168

約数列:

[1, 2, 4, 8, 89, 97, 178, 194, 313, 356, 388, 626, 712, 776, 1252, 2504, 8633, 17266, 27857, 30361, 34532, 55714, 60722, 69064, 111428, 121444, 222856, 242888, 2702129, 5404258, 10808516, 21617032]

約数ペア:

[(1, 21617032), (2, 10808516), (4, 5404258), (8, 2702129), (89, 242888), (97, 222856), (178, 121444), (194, 111428), (313, 69064), (356, 60722), (388, 55714), (626, 34532), (712, 30361), (776, 27857), (1252, 17266), (2504, 8633)]