21002832

素因数分解:

$2^4\times 3^2\times {\mathrm{157}}^1\times {\mathrm{929}}^1$

素因数の和:1100

約数の個数: 60

約数和(自身を含む): 59216820

約数和(自身を除く): 38213988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 157, 314, 471, 628, 929, 942, 1256, 1413, 1858, 1884, 2512, 2787, 2826, 3716, 3768, 5574, 5652, 7432, 7536, 8361, 11148, 11304, 14864, 16722, 22296, 22608, 33444, 44592, 66888, 133776, 145853, 291706, 437559, 583412, 875118, 1166824, 1312677, 1750236, 2333648, 2625354, 3500472, 5250708, 7000944, 10501416, 21002832]

約数ペア:

[(1, 21002832), (2, 10501416), (3, 7000944), (4, 5250708), (6, 3500472), (8, 2625354), (9, 2333648), (12, 1750236), (16, 1312677), (18, 1166824), (24, 875118), (36, 583412), (48, 437559), (72, 291706), (144, 145853), (157, 133776), (314, 66888), (471, 44592), (628, 33444), (929, 22608), (942, 22296), (1256, 16722), (1413, 14864), (1858, 11304), (1884, 11148), (2512, 8361), (2787, 7536), (2826, 7432), (3716, 5652), (3768, 5574)]