21000346736

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{967}}^1\times {\mathrm{28879}}^1$

素因数の和:29901

約数の個数: 40

約数和(自身を含む): 41598289920

約数和(自身を除く): 20597943184

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 967, 1934, 3868, 7736, 15472, 28879, 45449, 57758, 90898, 115516, 181796, 231032, 363592, 462064, 727184, 1357313, 2714626, 5429252, 10858504, 21717008, 27925993, 55851986, 111703972, 223407944, 446815888, 1312521671, 2625043342, 5250086684, 10500173368, 21000346736]

約数ペア:

[(1, 21000346736), (2, 10500173368), (4, 5250086684), (8, 2625043342), (16, 1312521671), (47, 446815888), (94, 223407944), (188, 111703972), (376, 55851986), (752, 27925993), (967, 21717008), (1934, 10858504), (3868, 5429252), (7736, 2714626), (15472, 1357313), (28879, 727184), (45449, 462064), (57758, 363592), (90898, 231032), (115516, 181796)]