21388142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 14083378

約数列:

[1, 2, 17, 34, 41, 67, 82, 134, 229, 458, 697, 1139, 1394, 2278, 2747, 3893, 5494, 7786, 9389, 15343, 18778, 30686, 46699, 93398, 159613, 260831, 319226, 521662, 629063, 1258126, 10694071, 21388142]

約数ペア:

[(1, 21388142), (2, 10694071), (17, 1258126), (34, 629063), (41, 521662), (67, 319226), (82, 260831), (134, 159613), (229, 93398), (458, 46699), (697, 30686), (1139, 18778), (1394, 15343), (2278, 9389), (2747, 7786), (3893, 5494)]