21244008

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 34354392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 131, 174, 232, 233, 262, 348, 393, 466, 524, 696, 699, 786, 932, 1048, 1398, 1572, 1864, 2796, 3144, 3799, 5592, 6757, 7598, 11397, 13514, 15196, 20271, 22794, 27028, 30392, 30523, 40542, 45588, 54056, 61046, 81084, 91176, 91569, 122092, 162168, 183138, 244184, 366276, 732552, 885167, 1770334, 2655501, 3540668, 5311002, 7081336, 10622004, 21244008]

約数ペア:

[(1, 21244008), (2, 10622004), (3, 7081336), (4, 5311002), (6, 3540668), (8, 2655501), (12, 1770334), (24, 885167), (29, 732552), (58, 366276), (87, 244184), (116, 183138), (131, 162168), (174, 122092), (232, 91569), (233, 91176), (262, 81084), (348, 61046), (393, 54056), (466, 45588), (524, 40542), (696, 30523), (699, 30392), (786, 27028), (932, 22794), (1048, 20271), (1398, 15196), (1572, 13514), (1864, 11397), (2796, 7598), (3144, 6757), (3799, 5592)]