21933740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 50367744

約数和(自身を除く): 28434004

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2081, 2108, 2635, 4162, 5270, 8324, 10405, 10540, 20810, 35377, 41620, 64511, 70754, 129022, 141508, 176885, 258044, 322555, 353770, 645110, 707540, 1096687, 1290220, 2193374, 4386748, 5483435, 10966870, 21933740]

約数ペア:

[(1, 21933740), (2, 10966870), (4, 5483435), (5, 4386748), (10, 2193374), (17, 1290220), (20, 1096687), (31, 707540), (34, 645110), (62, 353770), (68, 322555), (85, 258044), (124, 176885), (155, 141508), (170, 129022), (310, 70754), (340, 64511), (527, 41620), (620, 35377), (1054, 20810), (2081, 10540), (2108, 10405), (2635, 8324), (4162, 5270)]