21606030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 56407104

約数和(自身を除く): 34801074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 557, 862, 1114, 1293, 1671, 2155, 2586, 2785, 3342, 3879, 4310, 5013, 5570, 6465, 7758, 8355, 10026, 12930, 16710, 19395, 25065, 38790, 50130, 240067, 480134, 720201, 1200335, 1440402, 2160603, 2400670, 3601005, 4321206, 7202010, 10803015, 21606030]

約数ペア:

[(1, 21606030), (2, 10803015), (3, 7202010), (5, 4321206), (6, 3601005), (9, 2400670), (10, 2160603), (15, 1440402), (18, 1200335), (30, 720201), (45, 480134), (90, 240067), (431, 50130), (557, 38790), (862, 25065), (1114, 19395), (1293, 16710), (1671, 12930), (2155, 10026), (2586, 8355), (2785, 7758), (3342, 6465), (3879, 5570), (4310, 5013)]