21309592

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20680808

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 647, 716, 1294, 1432, 2588, 4117, 5176, 8234, 14881, 16468, 29762, 32936, 59524, 115813, 119048, 231626, 463252, 926504, 2663699, 5327398, 10654796, 21309592]

約数ペア:

[(1, 21309592), (2, 10654796), (4, 5327398), (8, 2663699), (23, 926504), (46, 463252), (92, 231626), (179, 119048), (184, 115813), (358, 59524), (647, 32936), (716, 29762), (1294, 16468), (1432, 14881), (2588, 8234), (4117, 5176)]