21543030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 58288320

約数和(自身を除く): 36745290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1093, 1095, 1314, 1971, 2186, 2190, 3279, 3285, 3942, 5465, 6558, 6570, 9837, 9855, 10930, 16395, 19674, 19710, 29511, 32790, 49185, 59022, 79789, 98370, 147555, 159578, 239367, 295110, 398945, 478734, 718101, 797890, 1196835, 1436202, 2154303, 2393670, 3590505, 4308606, 7181010, 10771515, 21543030]

約数ペア:

[(1, 21543030), (2, 10771515), (3, 7181010), (5, 4308606), (6, 3590505), (9, 2393670), (10, 2154303), (15, 1436202), (18, 1196835), (27, 797890), (30, 718101), (45, 478734), (54, 398945), (73, 295110), (90, 239367), (135, 159578), (146, 147555), (219, 98370), (270, 79789), (365, 59022), (438, 49185), (657, 32790), (730, 29511), (1093, 19710), (1095, 19674), (1314, 16395), (1971, 10930), (2186, 9855), (2190, 9837), (3279, 6570), (3285, 6558), (3942, 5465)]