21921438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2109

約数の個数: 64

約数和(自身を含む): 57065472

約数和(自身を除く): 35144034

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 2063, 3542, 4126, 5313, 6189, 10626, 12378, 14441, 22693, 28882, 43323, 45386, 47449, 68079, 86646, 94898, 136158, 142347, 158851, 284694, 317702, 332143, 476553, 521939, 664286, 953106, 996429, 1043878, 1565817, 1992858, 3131634, 3653573, 7307146, 10960719, 21921438]

約数ペア:

[(1, 21921438), (2, 10960719), (3, 7307146), (6, 3653573), (7, 3131634), (11, 1992858), (14, 1565817), (21, 1043878), (22, 996429), (23, 953106), (33, 664286), (42, 521939), (46, 476553), (66, 332143), (69, 317702), (77, 284694), (138, 158851), (154, 142347), (161, 136158), (231, 94898), (253, 86646), (322, 68079), (462, 47449), (483, 45386), (506, 43323), (759, 28882), (966, 22693), (1518, 14441), (1771, 12378), (2063, 10626), (3542, 6189), (4126, 5313)]