21208971456

素因数分解:

$2^6\times 3^2\times {\mathrm{1279}}^1\times {\mathrm{28789}}^1$

素因数の和:30086

約数の個数: 84

約数和(自身を含む): 60841331200

約数和(自身を除く): 39632359744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 1279, 2558, 3837, 5116, 7674, 10232, 11511, 15348, 20464, 23022, 28789, 30696, 40928, 46044, 57578, 61392, 81856, 86367, 92088, 115156, 122784, 172734, 184176, 230312, 245568, 259101, 345468, 368352, 460624, 518202, 690936, 736704, 921248, 1036404, 1381872, 1842496, 2072808, 2763744, 4145616, 5527488, 8291232, 16582464, 36821131, 73642262, 110463393, 147284524, 220926786, 294569048, 331390179, 441853572, 589138096, 662780358, 883707144, 1178276192, 1325560716, 1767414288, 2356552384, 2651121432, 3534828576, 5302242864, 7069657152, 10604485728, 21208971456]

約数ペア:

[(1, 21208971456), (2, 10604485728), (3, 7069657152), (4, 5302242864), (6, 3534828576), (8, 2651121432), (9, 2356552384), (12, 1767414288), (16, 1325560716), (18, 1178276192), (24, 883707144), (32, 662780358), (36, 589138096), (48, 441853572), (64, 331390179), (72, 294569048), (96, 220926786), (144, 147284524), (192, 110463393), (288, 73642262), (576, 36821131), (1279, 16582464), (2558, 8291232), (3837, 5527488), (5116, 4145616), (7674, 2763744), (10232, 2072808), (11511, 1842496), (15348, 1381872), (20464, 1036404), (23022, 921248), (28789, 736704), (30696, 690936), (40928, 518202), (46044, 460624), (57578, 368352), (61392, 345468), (81856, 259101), (86367, 245568), (92088, 230312), (115156, 184176), (122784, 172734)]