21671490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5197}}^1$

素因数の和:5346

約数の個数: 32

約数和(自身を含む): 52395840

約数和(自身を除く): 30724350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5197, 10394, 15591, 25985, 31182, 51970, 77955, 155910, 722383, 1444766, 2167149, 3611915, 4334298, 7223830, 10835745, 21671490]

約数ペア:

[(1, 21671490), (2, 10835745), (3, 7223830), (5, 4334298), (6, 3611915), (10, 2167149), (15, 1444766), (30, 722383), (139, 155910), (278, 77955), (417, 51970), (695, 31182), (834, 25985), (1390, 15591), (2085, 10394), (4170, 5197)]