21571592

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 27676408

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 37, 56, 58, 74, 116, 148, 203, 232, 259, 296, 359, 406, 518, 718, 812, 1036, 1073, 1436, 1624, 2072, 2146, 2513, 2872, 4292, 5026, 7511, 8584, 10052, 10411, 13283, 15022, 20104, 20822, 26566, 30044, 41644, 53132, 60088, 72877, 83288, 92981, 106264, 145754, 185962, 291508, 371924, 385207, 583016, 743848, 770414, 1540828, 2696449, 3081656, 5392898, 10785796, 21571592]

約数ペア:

[(1, 21571592), (2, 10785796), (4, 5392898), (7, 3081656), (8, 2696449), (14, 1540828), (28, 770414), (29, 743848), (37, 583016), (56, 385207), (58, 371924), (74, 291508), (116, 185962), (148, 145754), (203, 106264), (232, 92981), (259, 83288), (296, 72877), (359, 60088), (406, 53132), (518, 41644), (718, 30044), (812, 26566), (1036, 20822), (1073, 20104), (1436, 15022), (1624, 13283), (2072, 10411), (2146, 10052), (2513, 8584), (2872, 7511), (4292, 5026)]