21426470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3833}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 42511392

約数和(自身を除く): 21084922

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3833, 5590, 7666, 19165, 38330, 49829, 99658, 164819, 249145, 329638, 498290, 824095, 1648190, 2142647, 4285294, 10713235, 21426470]

約数ペア:

[(1, 21426470), (2, 10713235), (5, 4285294), (10, 2142647), (13, 1648190), (26, 824095), (43, 498290), (65, 329638), (86, 249145), (130, 164819), (215, 99658), (430, 49829), (559, 38330), (1118, 19165), (2795, 7666), (3833, 5590)]