21203710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3637}}^1$

素因数の和:3708

約数の個数: 32

約数和(自身を含む): 42433632

約数和(自身を除く): 21229922

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3637, 5830, 7274, 18185, 36370, 40007, 80014, 192761, 200035, 385522, 400070, 963805, 1927610, 2120371, 4240742, 10601855, 21203710]

約数ペア:

[(1, 21203710), (2, 10601855), (5, 4240742), (10, 2120371), (11, 1927610), (22, 963805), (53, 400070), (55, 385522), (106, 200035), (110, 192761), (265, 80014), (530, 40007), (583, 36370), (1166, 18185), (2915, 7274), (3637, 5830)]