21592208

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:636

約数の個数: 60

約数和(自身を含む): 48486480

約数和(自身を除く): 26894272

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 587, 836, 968, 1174, 1672, 1936, 2299, 2348, 3344, 4598, 4696, 6457, 9196, 9392, 11153, 12914, 18392, 22306, 25828, 36784, 44612, 51656, 71027, 89224, 103312, 122683, 142054, 178448, 245366, 284108, 490732, 568216, 981464, 1136432, 1349513, 1962928, 2699026, 5398052, 10796104, 21592208]

約数ペア:

[(1, 21592208), (2, 10796104), (4, 5398052), (8, 2699026), (11, 1962928), (16, 1349513), (19, 1136432), (22, 981464), (38, 568216), (44, 490732), (76, 284108), (88, 245366), (121, 178448), (152, 142054), (176, 122683), (209, 103312), (242, 89224), (304, 71027), (418, 51656), (484, 44612), (587, 36784), (836, 25828), (968, 22306), (1174, 18392), (1672, 12914), (1936, 11153), (2299, 9392), (2348, 9196), (3344, 6457), (4598, 4696)]