21291246016

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{3293819}}^1$

素因数の和:3293932

約数の個数: 28

約数和(自身を含む): 42668144280

約数和(自身を除く): 21376898264

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3232, 6464, 3293819, 6587638, 13175276, 26350552, 52701104, 105402208, 210804416, 332675719, 665351438, 1330702876, 2661405752, 5322811504, 10645623008, 21291246016]

約数ペア:

[(1, 21291246016), (2, 10645623008), (4, 5322811504), (8, 2661405752), (16, 1330702876), (32, 665351438), (64, 332675719), (101, 210804416), (202, 105402208), (404, 52701104), (808, 26350552), (1616, 13175276), (3232, 6587638), (6464, 3293819)]