21563784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1475

約数の個数: 96

約数和(自身を含む): 67111200

約数和(自身を除く): 45547416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 114, 132, 152, 171, 198, 209, 228, 264, 342, 396, 418, 456, 627, 684, 792, 836, 1254, 1368, 1433, 1672, 1881, 2508, 2866, 3762, 4299, 5016, 5732, 7524, 8598, 11464, 12897, 15048, 15763, 17196, 25794, 27227, 31526, 34392, 47289, 51588, 54454, 63052, 81681, 94578, 103176, 108908, 126104, 141867, 163362, 189156, 217816, 245043, 283734, 299497, 326724, 378312, 490086, 567468, 598994, 653448, 898491, 980172, 1134936, 1197988, 1796982, 1960344, 2395976, 2695473, 3593964, 5390946, 7187928, 10781892, 21563784]

約数ペア:

[(1, 21563784), (2, 10781892), (3, 7187928), (4, 5390946), (6, 3593964), (8, 2695473), (9, 2395976), (11, 1960344), (12, 1796982), (18, 1197988), (19, 1134936), (22, 980172), (24, 898491), (33, 653448), (36, 598994), (38, 567468), (44, 490086), (57, 378312), (66, 326724), (72, 299497), (76, 283734), (88, 245043), (99, 217816), (114, 189156), (132, 163362), (152, 141867), (171, 126104), (198, 108908), (209, 103176), (228, 94578), (264, 81681), (342, 63052), (396, 54454), (418, 51588), (456, 47289), (627, 34392), (684, 31526), (792, 27227), (836, 25794), (1254, 17196), (1368, 15763), (1433, 15048), (1672, 12897), (1881, 11464), (2508, 8598), (2866, 7524), (3762, 5732), (4299, 5016)]