21499682768

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1597}}^1\times {\mathrm{36583}}^1$

素因数の和:38211

約数の個数: 40

約数和(自身を含む): 43495156608

約数和(自身を除く): 21995473840

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1597, 3194, 6388, 12776, 25552, 36583, 36731, 73166, 73462, 146332, 146924, 292664, 293848, 585328, 587696, 841409, 1682818, 3365636, 6731272, 13462544, 58423051, 116846102, 233692204, 467384408, 934768816, 1343730173, 2687460346, 5374920692, 10749841384, 21499682768]

約数ペア:

[(1, 21499682768), (2, 10749841384), (4, 5374920692), (8, 2687460346), (16, 1343730173), (23, 934768816), (46, 467384408), (92, 233692204), (184, 116846102), (368, 58423051), (1597, 13462544), (3194, 6731272), (6388, 3365636), (12776, 1682818), (25552, 841409), (36583, 587696), (36731, 585328), (73166, 293848), (73462, 292664), (146332, 146924)]