21093156

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27901}}^1$

素因数の和:27921

約数の個数: 48

約数和(自身を含む): 62500480

約数和(自身を除く): 41407324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27901, 55802, 83703, 111604, 167406, 195307, 251109, 334812, 390614, 502218, 585921, 753327, 781228, 1004436, 1171842, 1506654, 1757763, 2343684, 3013308, 3515526, 5273289, 7031052, 10546578, 21093156]

約数ペア:

[(1, 21093156), (2, 10546578), (3, 7031052), (4, 5273289), (6, 3515526), (7, 3013308), (9, 2343684), (12, 1757763), (14, 1506654), (18, 1171842), (21, 1004436), (27, 781228), (28, 753327), (36, 585921), (42, 502218), (54, 390614), (63, 334812), (84, 251109), (108, 195307), (126, 167406), (189, 111604), (252, 83703), (378, 55802), (756, 27901)]