21885072

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 62287680

約数和(自身を除く): 40402608

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 181, 229, 264, 362, 458, 528, 543, 687, 724, 916, 1086, 1374, 1448, 1832, 1991, 2172, 2519, 2748, 2896, 3664, 3982, 4344, 5038, 5496, 5973, 7557, 7964, 8688, 10076, 10992, 11946, 15114, 15928, 20152, 23892, 30228, 31856, 40304, 41449, 47784, 60456, 82898, 95568, 120912, 124347, 165796, 248694, 331592, 455939, 497388, 663184, 911878, 994776, 1367817, 1823756, 1989552, 2735634, 3647512, 5471268, 7295024, 10942536, 21885072]

約数ペア:

[(1, 21885072), (2, 10942536), (3, 7295024), (4, 5471268), (6, 3647512), (8, 2735634), (11, 1989552), (12, 1823756), (16, 1367817), (22, 994776), (24, 911878), (33, 663184), (44, 497388), (48, 455939), (66, 331592), (88, 248694), (132, 165796), (176, 124347), (181, 120912), (229, 95568), (264, 82898), (362, 60456), (458, 47784), (528, 41449), (543, 40304), (687, 31856), (724, 30228), (916, 23892), (1086, 20152), (1374, 15928), (1448, 15114), (1832, 11946), (1991, 10992), (2172, 10076), (2519, 8688), (2748, 7964), (2896, 7557), (3664, 5973), (3982, 5496), (4344, 5038)]