21424928

素因数分解:

$2^5\times 7^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 48734784

約数和(自身を除く): 27309856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 101, 112, 202, 224, 404, 707, 808, 947, 1414, 1616, 1894, 2828, 3232, 3788, 5656, 6629, 7576, 11312, 13258, 15152, 22624, 26516, 30304, 53032, 95647, 106064, 191294, 212128, 382588, 669529, 765176, 1339058, 1530352, 2678116, 3060704, 5356232, 10712464, 21424928]

約数ペア:

[(1, 21424928), (2, 10712464), (4, 5356232), (7, 3060704), (8, 2678116), (14, 1530352), (16, 1339058), (28, 765176), (32, 669529), (56, 382588), (101, 212128), (112, 191294), (202, 106064), (224, 95647), (404, 53032), (707, 30304), (808, 26516), (947, 22624), (1414, 15152), (1616, 13258), (1894, 11312), (2828, 7576), (3232, 6629), (3788, 5656)]