21216228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1772

約数の個数: 48

約数和(自身を含む): 54594624

約数和(自身を除く): 33378396

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 97, 132, 194, 291, 388, 582, 1067, 1164, 1657, 2134, 3201, 3314, 4268, 4971, 6402, 6628, 9942, 12804, 18227, 19884, 36454, 54681, 72908, 109362, 160729, 218724, 321458, 482187, 642916, 964374, 1768019, 1928748, 3536038, 5304057, 7072076, 10608114, 21216228]

約数ペア:

[(1, 21216228), (2, 10608114), (3, 7072076), (4, 5304057), (6, 3536038), (11, 1928748), (12, 1768019), (22, 964374), (33, 642916), (44, 482187), (66, 321458), (97, 218724), (132, 160729), (194, 109362), (291, 72908), (388, 54681), (582, 36454), (1067, 19884), (1164, 18227), (1657, 12804), (2134, 9942), (3201, 6628), (3314, 6402), (4268, 4971)]