21351770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 21165670

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2659, 4015, 5318, 8030, 13295, 26590, 29249, 58498, 146245, 194107, 292490, 388214, 970535, 1941070, 2135177, 4270354, 10675885, 21351770]

約数ペア:

[(1, 21351770), (2, 10675885), (5, 4270354), (10, 2135177), (11, 1941070), (22, 970535), (55, 388214), (73, 292490), (110, 194107), (146, 146245), (365, 58498), (730, 29249), (803, 26590), (1606, 13295), (2659, 8030), (4015, 5318)]