21909616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2053}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 45845280

約数和(自身を除く): 23935664

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 2053, 2668, 4106, 5336, 8212, 10672, 16424, 32848, 47219, 59537, 94438, 119074, 188876, 238148, 377752, 476296, 755504, 952592, 1369351, 2738702, 5477404, 10954808, 21909616]

約数ペア:

[(1, 21909616), (2, 10954808), (4, 5477404), (8, 2738702), (16, 1369351), (23, 952592), (29, 755504), (46, 476296), (58, 377752), (92, 238148), (116, 188876), (184, 119074), (232, 94438), (368, 59537), (464, 47219), (667, 32848), (1334, 16424), (2053, 10672), (2668, 8212), (4106, 5336)]