21559308

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 52604160

約数和(自身を除く): 31044852

約数列:

[1, 2, 3, 4, 6, 12, 37, 59, 74, 111, 118, 148, 177, 222, 236, 354, 444, 708, 823, 1646, 2183, 2469, 3292, 4366, 4938, 6549, 8732, 9876, 13098, 26196, 30451, 48557, 60902, 91353, 97114, 121804, 145671, 182706, 194228, 291342, 365412, 582684, 1796609, 3593218, 5389827, 7186436, 10779654, 21559308]

約数ペア:

[(1, 21559308), (2, 10779654), (3, 7186436), (4, 5389827), (6, 3593218), (12, 1796609), (37, 582684), (59, 365412), (74, 291342), (111, 194228), (118, 182706), (148, 145671), (177, 121804), (222, 97114), (236, 91353), (354, 60902), (444, 48557), (708, 30451), (823, 26196), (1646, 13098), (2183, 9876), (2469, 8732), (3292, 6549), (4366, 4938)]