21980736

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1280

約数の個数: 84

約数和(自身を含む): 65089024

約数和(自身を除く): 43108288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 496, 558, 576, 744, 992, 1116, 1231, 1488, 1984, 2232, 2462, 2976, 3693, 4464, 4924, 5952, 7386, 8928, 9848, 11079, 14772, 17856, 19696, 22158, 29544, 38161, 39392, 44316, 59088, 76322, 78784, 88632, 114483, 118176, 152644, 177264, 228966, 236352, 305288, 343449, 354528, 457932, 610576, 686898, 709056, 915864, 1221152, 1373796, 1831728, 2442304, 2747592, 3663456, 5495184, 7326912, 10990368, 21980736]

約数ペア:

[(1, 21980736), (2, 10990368), (3, 7326912), (4, 5495184), (6, 3663456), (8, 2747592), (9, 2442304), (12, 1831728), (16, 1373796), (18, 1221152), (24, 915864), (31, 709056), (32, 686898), (36, 610576), (48, 457932), (62, 354528), (64, 343449), (72, 305288), (93, 236352), (96, 228966), (124, 177264), (144, 152644), (186, 118176), (192, 114483), (248, 88632), (279, 78784), (288, 76322), (372, 59088), (496, 44316), (558, 39392), (576, 38161), (744, 29544), (992, 22158), (1116, 19696), (1231, 17856), (1488, 14772), (1984, 11079), (2232, 9848), (2462, 8928), (2976, 7386), (3693, 5952), (4464, 4924)]