21545004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{827}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 54528768

約数和(自身を除く): 32983764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 167, 334, 501, 668, 827, 1002, 1654, 2004, 2171, 2481, 3308, 4342, 4962, 6513, 8684, 9924, 10751, 13026, 21502, 26052, 32253, 43004, 64506, 129012, 138109, 276218, 414327, 552436, 828654, 1657308, 1795417, 3590834, 5386251, 7181668, 10772502, 21545004]

約数ペア:

[(1, 21545004), (2, 10772502), (3, 7181668), (4, 5386251), (6, 3590834), (12, 1795417), (13, 1657308), (26, 828654), (39, 552436), (52, 414327), (78, 276218), (156, 138109), (167, 129012), (334, 64506), (501, 43004), (668, 32253), (827, 26052), (1002, 21502), (1654, 13026), (2004, 10751), (2171, 9924), (2481, 8684), (3308, 6513), (4342, 4962)]