21955590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37012410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 233, 270, 349, 466, 698, 699, 1047, 1165, 1398, 1745, 2094, 2097, 2330, 3141, 3490, 3495, 4194, 5235, 6282, 6291, 6990, 9423, 10470, 10485, 12582, 15705, 18846, 20970, 31410, 31455, 47115, 62910, 81317, 94230, 162634, 243951, 406585, 487902, 731853, 813170, 1219755, 1463706, 2195559, 2439510, 3659265, 4391118, 7318530, 10977795, 21955590]

約数ペア:

[(1, 21955590), (2, 10977795), (3, 7318530), (5, 4391118), (6, 3659265), (9, 2439510), (10, 2195559), (15, 1463706), (18, 1219755), (27, 813170), (30, 731853), (45, 487902), (54, 406585), (90, 243951), (135, 162634), (233, 94230), (270, 81317), (349, 62910), (466, 47115), (698, 31455), (699, 31410), (1047, 20970), (1165, 18846), (1398, 15705), (1745, 12582), (2094, 10485), (2097, 10470), (2330, 9423), (3141, 6990), (3490, 6291), (3495, 6282), (4194, 5235)]