21771968

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{20011}}^1$

素因数の和:20040

約数の個数: 28

約数和(自身を含む): 45747432

約数和(自身を除く): 23975464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 20011, 40022, 80044, 160088, 320176, 340187, 640352, 680374, 1280704, 1360748, 2721496, 5442992, 10885984, 21771968]

約数ペア:

[(1, 21771968), (2, 10885984), (4, 5442992), (8, 2721496), (16, 1360748), (17, 1280704), (32, 680374), (34, 640352), (64, 340187), (68, 320176), (136, 160088), (272, 80044), (544, 40022), (1088, 20011)]