21154524

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 55695360

約数和(自身を除く): 34540836

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 41, 57, 62, 73, 76, 82, 93, 114, 123, 124, 146, 164, 186, 219, 228, 246, 292, 372, 438, 492, 589, 779, 876, 1178, 1271, 1387, 1558, 1767, 2263, 2337, 2356, 2542, 2774, 2993, 3116, 3534, 3813, 4161, 4526, 4674, 5084, 5548, 5986, 6789, 7068, 7626, 8322, 8979, 9052, 9348, 11972, 13578, 15252, 16644, 17958, 24149, 27156, 35916, 42997, 48298, 56867, 72447, 85994, 92783, 96596, 113734, 128991, 144894, 170601, 171988, 185566, 227468, 257982, 278349, 289788, 341202, 371132, 515964, 556698, 682404, 1113396, 1762877, 3525754, 5288631, 7051508, 10577262, 21154524]

約数ペア:

[(1, 21154524), (2, 10577262), (3, 7051508), (4, 5288631), (6, 3525754), (12, 1762877), (19, 1113396), (31, 682404), (38, 556698), (41, 515964), (57, 371132), (62, 341202), (73, 289788), (76, 278349), (82, 257982), (93, 227468), (114, 185566), (123, 171988), (124, 170601), (146, 144894), (164, 128991), (186, 113734), (219, 96596), (228, 92783), (246, 85994), (292, 72447), (372, 56867), (438, 48298), (492, 42997), (589, 35916), (779, 27156), (876, 24149), (1178, 17958), (1271, 16644), (1387, 15252), (1558, 13578), (1767, 11972), (2263, 9348), (2337, 9052), (2356, 8979), (2542, 8322), (2774, 7626), (2993, 7068), (3116, 6789), (3534, 5986), (3813, 5548), (4161, 5084), (4526, 4674)]