21142336

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 56

約数和(自身を含む): 44769024

約数和(自身を除く): 23626688

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 184, 212, 271, 368, 424, 542, 736, 848, 1084, 1219, 1472, 1696, 2168, 2438, 3392, 4336, 4876, 6233, 8672, 9752, 12466, 14363, 17344, 19504, 24932, 28726, 39008, 49864, 57452, 78016, 99728, 114904, 199456, 229808, 330349, 398912, 459616, 660698, 919232, 1321396, 2642792, 5285584, 10571168, 21142336]

約数ペア:

[(1, 21142336), (2, 10571168), (4, 5285584), (8, 2642792), (16, 1321396), (23, 919232), (32, 660698), (46, 459616), (53, 398912), (64, 330349), (92, 229808), (106, 199456), (184, 114904), (212, 99728), (271, 78016), (368, 57452), (424, 49864), (542, 39008), (736, 28726), (848, 24932), (1084, 19504), (1219, 17344), (1472, 14363), (1696, 12466), (2168, 9752), (2438, 8672), (3392, 6233), (4336, 4876)]