21189828663

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{1279}}^1\times {\mathrm{2351}}^1$

素因数の和:3674

約数の個数: 48

約数和(自身を含む): 32875315200

約数和(自身を除く): 11685486537

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 1279, 2349, 2351, 3837, 7047, 7053, 11511, 21159, 34533, 37091, 63477, 68179, 103599, 111273, 190431, 204537, 310797, 333819, 571293, 613611, 1001457, 1840833, 3004371, 3006929, 5522499, 9013113, 9020787, 16567497, 27062361, 81187083, 87200941, 243561249, 261602823, 730683747, 784808469, 2354425407, 7063276221, 21189828663]

約数ペア:

[(1, 21189828663), (3, 7063276221), (9, 2354425407), (27, 784808469), (29, 730683747), (81, 261602823), (87, 243561249), (243, 87200941), (261, 81187083), (783, 27062361), (1279, 16567497), (2349, 9020787), (2351, 9013113), (3837, 5522499), (7047, 3006929), (7053, 3004371), (11511, 1840833), (21159, 1001457), (34533, 613611), (37091, 571293), (63477, 333819), (68179, 310797), (103599, 204537), (111273, 190431)]