21660090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{977}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 52107840

約数和(自身を除く): 30447750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 739, 977, 1478, 1954, 2217, 2931, 3695, 4434, 4885, 5862, 7390, 9770, 11085, 14655, 22170, 29310, 722003, 1444006, 2166009, 3610015, 4332018, 7220030, 10830045, 21660090]

約数ペア:

[(1, 21660090), (2, 10830045), (3, 7220030), (5, 4332018), (6, 3610015), (10, 2166009), (15, 1444006), (30, 722003), (739, 29310), (977, 22170), (1478, 14655), (1954, 11085), (2217, 9770), (2931, 7390), (3695, 5862), (4434, 4885)]