21240252

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 63302400

約数和(自身を除く): 42062148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 99, 108, 114, 132, 171, 198, 209, 228, 297, 342, 396, 418, 513, 594, 627, 684, 836, 941, 1026, 1188, 1254, 1881, 1882, 2052, 2508, 2823, 3762, 3764, 5643, 5646, 7524, 8469, 10351, 11286, 11292, 16938, 17879, 20702, 22572, 25407, 31053, 33876, 35758, 41404, 50814, 53637, 62106, 71516, 93159, 101628, 107274, 124212, 160911, 186318, 196669, 214548, 279477, 321822, 372636, 393338, 482733, 558954, 590007, 643644, 786676, 965466, 1117908, 1180014, 1770021, 1930932, 2360028, 3540042, 5310063, 7080084, 10620126, 21240252]

約数ペア:

[(1, 21240252), (2, 10620126), (3, 7080084), (4, 5310063), (6, 3540042), (9, 2360028), (11, 1930932), (12, 1770021), (18, 1180014), (19, 1117908), (22, 965466), (27, 786676), (33, 643644), (36, 590007), (38, 558954), (44, 482733), (54, 393338), (57, 372636), (66, 321822), (76, 279477), (99, 214548), (108, 196669), (114, 186318), (132, 160911), (171, 124212), (198, 107274), (209, 101628), (228, 93159), (297, 71516), (342, 62106), (396, 53637), (418, 50814), (513, 41404), (594, 35758), (627, 33876), (684, 31053), (836, 25407), (941, 22572), (1026, 20702), (1188, 17879), (1254, 16938), (1881, 11292), (1882, 11286), (2052, 10351), (2508, 8469), (2823, 7524), (3762, 5646), (3764, 5643)]