21663470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19393810

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 719, 1310, 1438, 3013, 3595, 6026, 7190, 15065, 16537, 30130, 33074, 82685, 94189, 165370, 188378, 470945, 941890, 2166347, 4332694, 10831735, 21663470]

約数ペア:

[(1, 21663470), (2, 10831735), (5, 4332694), (10, 2166347), (23, 941890), (46, 470945), (115, 188378), (131, 165370), (230, 94189), (262, 82685), (655, 33074), (719, 30130), (1310, 16537), (1438, 15065), (3013, 7190), (3595, 6026)]