21028737636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2129}}^1\times {\mathrm{9461}}^1$

素因数の和:11629

約数の個数: 72

約数和(自身を含む): 55020583800

約数和(自身を除く): 33991846164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 2129, 4258, 6387, 8516, 9461, 12774, 18922, 19161, 25548, 28383, 37844, 38322, 56766, 61741, 76644, 85149, 113532, 123482, 170298, 185223, 246964, 274369, 340596, 370446, 548738, 555669, 740892, 823107, 1097476, 1111338, 1646214, 2222676, 2469321, 3292428, 4938642, 9877284, 20142469, 40284938, 60427407, 80569876, 120854814, 181282221, 241709628, 362564442, 584131601, 725128884, 1168263202, 1752394803, 2336526404, 3504789606, 5257184409, 7009579212, 10514368818, 21028737636]

約数ペア:

[(1, 21028737636), (2, 10514368818), (3, 7009579212), (4, 5257184409), (6, 3504789606), (9, 2336526404), (12, 1752394803), (18, 1168263202), (29, 725128884), (36, 584131601), (58, 362564442), (87, 241709628), (116, 181282221), (174, 120854814), (261, 80569876), (348, 60427407), (522, 40284938), (1044, 20142469), (2129, 9877284), (4258, 4938642), (6387, 3292428), (8516, 2469321), (9461, 2222676), (12774, 1646214), (18922, 1111338), (19161, 1097476), (25548, 823107), (28383, 740892), (37844, 555669), (38322, 548738), (56766, 370446), (61741, 340596), (76644, 274369), (85149, 246964), (113532, 185223), (123482, 170298)]