21359460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1123}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 60048576

約数和(自身を除く): 38689116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1123, 1268, 1585, 1902, 2246, 3170, 3369, 3804, 4492, 4755, 5615, 6340, 6738, 9510, 11230, 13476, 16845, 19020, 22460, 33690, 67380, 355991, 711982, 1067973, 1423964, 1779955, 2135946, 3559910, 4271892, 5339865, 7119820, 10679730, 21359460]

約数ペア:

[(1, 21359460), (2, 10679730), (3, 7119820), (4, 5339865), (5, 4271892), (6, 3559910), (10, 2135946), (12, 1779955), (15, 1423964), (20, 1067973), (30, 711982), (60, 355991), (317, 67380), (634, 33690), (951, 22460), (1123, 19020), (1268, 16845), (1585, 13476), (1902, 11230), (2246, 9510), (3170, 6738), (3369, 6340), (3804, 5615), (4492, 4755)]