21765844

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{683}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 17763884

約数列:

[1, 2, 4, 31, 62, 124, 257, 514, 683, 1028, 1366, 2732, 7967, 15934, 21173, 31868, 42346, 84692, 175531, 351062, 702124, 5441461, 10882922, 21765844]

約数ペア:

[(1, 21765844), (2, 10882922), (4, 5441461), (31, 702124), (62, 351062), (124, 175531), (257, 84692), (514, 42346), (683, 31868), (1028, 21173), (1366, 15934), (2732, 7967)]