21685764

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 31939836

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 227, 228, 419, 454, 681, 838, 908, 1257, 1362, 1676, 2514, 2724, 4313, 5028, 7961, 8626, 12939, 15922, 17252, 23883, 25878, 31844, 47766, 51756, 95113, 95532, 190226, 285339, 380452, 570678, 1141356, 1807147, 3614294, 5421441, 7228588, 10842882, 21685764]

約数ペア:

[(1, 21685764), (2, 10842882), (3, 7228588), (4, 5421441), (6, 3614294), (12, 1807147), (19, 1141356), (38, 570678), (57, 380452), (76, 285339), (114, 190226), (227, 95532), (228, 95113), (419, 51756), (454, 47766), (681, 31844), (838, 25878), (908, 23883), (1257, 17252), (1362, 15922), (1676, 12939), (2514, 8626), (2724, 7961), (4313, 5028)]