21947268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1151}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 58834944

約数和(自身を除く): 36887676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1151, 1362, 1589, 2302, 2724, 3178, 3453, 4604, 4767, 6356, 6906, 8057, 9534, 13812, 16114, 19068, 24171, 32228, 48342, 96684, 261277, 522554, 783831, 1045108, 1567662, 1828939, 3135324, 3657878, 5486817, 7315756, 10973634, 21947268]

約数ペア:

[(1, 21947268), (2, 10973634), (3, 7315756), (4, 5486817), (6, 3657878), (7, 3135324), (12, 1828939), (14, 1567662), (21, 1045108), (28, 783831), (42, 522554), (84, 261277), (227, 96684), (454, 48342), (681, 32228), (908, 24171), (1151, 19068), (1362, 16114), (1589, 13812), (2302, 9534), (2724, 8057), (3178, 6906), (3453, 6356), (4604, 4767)]