20210958684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{49477}}^1$

素因数の和:51115

約数の個数: 72

約数和(自身を含む): 58424414048

約数和(自身を除く): 38213455364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1621, 3242, 4863, 6484, 9726, 11347, 14589, 19452, 22694, 29178, 34041, 45388, 49477, 58356, 68082, 98954, 102123, 136164, 148431, 197908, 204246, 296862, 346339, 408492, 445293, 593724, 692678, 890586, 1039017, 1385356, 1781172, 2078034, 3117051, 4156068, 6234102, 12468204, 80202217, 160404434, 240606651, 320808868, 481213302, 561415519, 721819953, 962426604, 1122831038, 1443639906, 1684246557, 2245662076, 2887279812, 3368493114, 5052739671, 6736986228, 10105479342, 20210958684]

約数ペア:

[(1, 20210958684), (2, 10105479342), (3, 6736986228), (4, 5052739671), (6, 3368493114), (7, 2887279812), (9, 2245662076), (12, 1684246557), (14, 1443639906), (18, 1122831038), (21, 962426604), (28, 721819953), (36, 561415519), (42, 481213302), (63, 320808868), (84, 240606651), (126, 160404434), (252, 80202217), (1621, 12468204), (3242, 6234102), (4863, 4156068), (6484, 3117051), (9726, 2078034), (11347, 1781172), (14589, 1385356), (19452, 1039017), (22694, 890586), (29178, 692678), (34041, 593724), (45388, 445293), (49477, 408492), (58356, 346339), (68082, 296862), (98954, 204246), (102123, 197908), (136164, 148431)]