21919936

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20176

約数の個数: 28

約数和(自身を含む): 46058328

約数和(自身を除く): 24138392

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 20147, 40294, 80588, 161176, 322352, 342499, 644704, 684998, 1289408, 1369996, 2739992, 5479984, 10959968, 21919936]

約数ペア:

[(1, 21919936), (2, 10959968), (4, 5479984), (8, 2739992), (16, 1369996), (17, 1289408), (32, 684998), (34, 644704), (64, 342499), (68, 322352), (136, 161176), (272, 80588), (544, 40294), (1088, 20147)]