21395484

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 59714928

約数和(自身を除く): 38319444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 97, 99, 132, 194, 198, 291, 388, 396, 557, 582, 873, 1067, 1114, 1164, 1671, 1746, 2134, 2228, 3201, 3342, 3492, 4268, 5013, 6127, 6402, 6684, 9603, 10026, 12254, 12804, 18381, 19206, 20052, 24508, 36762, 38412, 54029, 55143, 73524, 108058, 110286, 162087, 216116, 220572, 324174, 486261, 594319, 648348, 972522, 1188638, 1782957, 1945044, 2377276, 3565914, 5348871, 7131828, 10697742, 21395484]

約数ペア:

[(1, 21395484), (2, 10697742), (3, 7131828), (4, 5348871), (6, 3565914), (9, 2377276), (11, 1945044), (12, 1782957), (18, 1188638), (22, 972522), (33, 648348), (36, 594319), (44, 486261), (66, 324174), (97, 220572), (99, 216116), (132, 162087), (194, 110286), (198, 108058), (291, 73524), (388, 55143), (396, 54029), (557, 38412), (582, 36762), (873, 24508), (1067, 20052), (1114, 19206), (1164, 18381), (1671, 12804), (1746, 12254), (2134, 10026), (2228, 9603), (3201, 6684), (3342, 6402), (3492, 6127), (4268, 5013)]