21594850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 42486120

約数和(自身を除く): 20891270

約数列:

[1, 2, 5, 10, 25, 29, 50, 53, 58, 106, 145, 265, 281, 290, 530, 562, 725, 1325, 1405, 1450, 1537, 2650, 2810, 3074, 7025, 7685, 8149, 14050, 14893, 15370, 16298, 29786, 38425, 40745, 74465, 76850, 81490, 148930, 203725, 372325, 407450, 431897, 744650, 863794, 2159485, 4318970, 10797425, 21594850]

約数ペア:

[(1, 21594850), (2, 10797425), (5, 4318970), (10, 2159485), (25, 863794), (29, 744650), (50, 431897), (53, 407450), (58, 372325), (106, 203725), (145, 148930), (265, 81490), (281, 76850), (290, 74465), (530, 40745), (562, 38425), (725, 29786), (1325, 16298), (1405, 15370), (1450, 14893), (1537, 14050), (2650, 8149), (2810, 7685), (3074, 7025)]