21542706

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 52392960

約数和(自身を除く): 30850254

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 93, 102, 153, 186, 279, 306, 459, 527, 558, 757, 837, 918, 1054, 1514, 1581, 1674, 2271, 3162, 4542, 4743, 6813, 9486, 12869, 13626, 14229, 20439, 23467, 25738, 28458, 38607, 40878, 46934, 70401, 77214, 115821, 140802, 211203, 231642, 347463, 398939, 422406, 633609, 694926, 797878, 1196817, 1267218, 2393634, 3590451, 7180902, 10771353, 21542706]

約数ペア:

[(1, 21542706), (2, 10771353), (3, 7180902), (6, 3590451), (9, 2393634), (17, 1267218), (18, 1196817), (27, 797878), (31, 694926), (34, 633609), (51, 422406), (54, 398939), (62, 347463), (93, 231642), (102, 211203), (153, 140802), (186, 115821), (279, 77214), (306, 70401), (459, 46934), (527, 40878), (558, 38607), (757, 28458), (837, 25738), (918, 23467), (1054, 20439), (1514, 14229), (1581, 13626), (1674, 12869), (2271, 9486), (3162, 6813), (4542, 4743)]