21502784

素因数分解:

$2^6\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1530

約数の個数: 28

約数和(自身を含む): 42862500

約数和(自身を除く): 21359716

約数列:

[1, 2, 4, 8, 16, 32, 64, 269, 538, 1076, 1249, 2152, 2498, 4304, 4996, 8608, 9992, 17216, 19984, 39968, 79936, 335981, 671962, 1343924, 2687848, 5375696, 10751392, 21502784]

約数ペア:

[(1, 21502784), (2, 10751392), (4, 5375696), (8, 2687848), (16, 1343924), (32, 671962), (64, 335981), (269, 79936), (538, 39968), (1076, 19984), (1249, 17216), (2152, 9992), (2498, 8608), (4304, 4996)]