21828928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 56

約数和(自身を含む): 47877984

約数和(自身を除く): 26049056

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 101, 176, 202, 307, 352, 404, 614, 704, 808, 1111, 1228, 1616, 2222, 2456, 3232, 3377, 4444, 4912, 6464, 6754, 8888, 9824, 13508, 17776, 19648, 27016, 31007, 35552, 54032, 62014, 71104, 108064, 124028, 216128, 248056, 341077, 496112, 682154, 992224, 1364308, 1984448, 2728616, 5457232, 10914464, 21828928]

約数ペア:

[(1, 21828928), (2, 10914464), (4, 5457232), (8, 2728616), (11, 1984448), (16, 1364308), (22, 992224), (32, 682154), (44, 496112), (64, 341077), (88, 248056), (101, 216128), (176, 124028), (202, 108064), (307, 71104), (352, 62014), (404, 54032), (614, 35552), (704, 31007), (808, 27016), (1111, 19648), (1228, 17776), (1616, 13508), (2222, 9824), (2456, 8888), (3232, 6754), (3377, 6464), (4444, 4912)]