21553008

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 60058656

約数和(自身を除く): 38505648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 61, 68, 102, 122, 136, 183, 204, 244, 272, 366, 408, 433, 488, 732, 816, 866, 976, 1037, 1299, 1464, 1732, 2074, 2598, 2928, 3111, 3464, 4148, 5196, 6222, 6928, 7361, 8296, 10392, 12444, 14722, 16592, 20784, 22083, 24888, 26413, 29444, 44166, 49776, 52826, 58888, 79239, 88332, 105652, 117776, 158478, 176664, 211304, 316956, 353328, 422608, 449021, 633912, 898042, 1267824, 1347063, 1796084, 2694126, 3592168, 5388252, 7184336, 10776504, 21553008]

約数ペア:

[(1, 21553008), (2, 10776504), (3, 7184336), (4, 5388252), (6, 3592168), (8, 2694126), (12, 1796084), (16, 1347063), (17, 1267824), (24, 898042), (34, 633912), (48, 449021), (51, 422608), (61, 353328), (68, 316956), (102, 211304), (122, 176664), (136, 158478), (183, 117776), (204, 105652), (244, 88332), (272, 79239), (366, 58888), (408, 52826), (433, 49776), (488, 44166), (732, 29444), (816, 26413), (866, 24888), (976, 22083), (1037, 20784), (1299, 16592), (1464, 14722), (1732, 12444), (2074, 10392), (2598, 8296), (2928, 7361), (3111, 6928), (3464, 6222), (4148, 5196)]