21492090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238801}}^1$

素因数の和:238814

約数の個数: 24

約数和(自身を含む): 55879668

約数和(自身を除く): 34387578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238801, 477602, 716403, 1194005, 1432806, 2149209, 2388010, 3582015, 4298418, 7164030, 10746045, 21492090]

約数ペア:

[(1, 21492090), (2, 10746045), (3, 7164030), (5, 4298418), (6, 3582015), (9, 2388010), (10, 2149209), (15, 1432806), (18, 1194005), (30, 716403), (45, 477602), (90, 238801)]