21468416

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4933}}^1$

素因数の和:4966

約数の個数: 36

約数和(自身を含む): 45382932

約数和(自身を除く): 23914516

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4933, 9866, 19732, 39464, 78928, 83861, 157856, 167722, 315712, 335444, 631424, 670888, 1262848, 1341776, 2683552, 5367104, 10734208, 21468416]

約数ペア:

[(1, 21468416), (2, 10734208), (4, 5367104), (8, 2683552), (16, 1341776), (17, 1262848), (32, 670888), (34, 631424), (64, 335444), (68, 315712), (128, 167722), (136, 157856), (256, 83861), (272, 78928), (544, 39464), (1088, 19732), (2176, 9866), (4352, 4933)]