21000913274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1\times {\mathrm{16607}}^1$

素因数の和:17890

約数の個数: 32

約数和(自身を含む): 35127115776

約数和(自身を除く): 14126202502

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 1223, 2446, 13453, 16607, 26906, 33214, 57481, 114962, 182677, 365354, 632291, 780529, 1264582, 1561058, 8585819, 17171638, 20310361, 40620722, 223413971, 446827942, 954586967, 1909173934, 10500456637, 21000913274]

約数ペア:

[(1, 21000913274), (2, 10500456637), (11, 1909173934), (22, 954586967), (47, 446827942), (94, 223413971), (517, 40620722), (1034, 20310361), (1223, 17171638), (2446, 8585819), (13453, 1561058), (16607, 1264582), (26906, 780529), (33214, 632291), (57481, 365354), (114962, 182677)]