21525090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10709}}^1$

素因数の和:10786

約数の個数: 32

約数和(自身を含む): 52436160

約数和(自身を除く): 30911070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10709, 21418, 32127, 53545, 64254, 107090, 160635, 321270, 717503, 1435006, 2152509, 3587515, 4305018, 7175030, 10762545, 21525090]

約数ペア:

[(1, 21525090), (2, 10762545), (3, 7175030), (5, 4305018), (6, 3587515), (10, 2152509), (15, 1435006), (30, 717503), (67, 321270), (134, 160635), (201, 107090), (335, 64254), (402, 53545), (670, 32127), (1005, 21418), (2010, 10709)]