21765330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{941}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 56870424

約数和(自身を除く): 35105094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 941, 1285, 1542, 1882, 2313, 2570, 2823, 3855, 4626, 4705, 5646, 7710, 8469, 9410, 11565, 14115, 16938, 23130, 28230, 42345, 84690, 241837, 483674, 725511, 1209185, 1451022, 2176533, 2418370, 3627555, 4353066, 7255110, 10882665, 21765330]

約数ペア:

[(1, 21765330), (2, 10882665), (3, 7255110), (5, 4353066), (6, 3627555), (9, 2418370), (10, 2176533), (15, 1451022), (18, 1209185), (30, 725511), (45, 483674), (90, 241837), (257, 84690), (514, 42345), (771, 28230), (941, 23130), (1285, 16938), (1542, 14115), (1882, 11565), (2313, 9410), (2570, 8469), (2823, 7710), (3855, 5646), (4626, 4705)]