21389632

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1367

約数の個数: 56

約数和(自身を含む): 48353472

約数和(自身を除く): 26963840

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 176, 184, 253, 352, 368, 506, 704, 736, 1012, 1321, 1472, 2024, 2642, 4048, 5284, 8096, 10568, 14531, 16192, 21136, 29062, 30383, 42272, 58124, 60766, 84544, 116248, 121532, 232496, 243064, 334213, 464992, 486128, 668426, 929984, 972256, 1336852, 1944512, 2673704, 5347408, 10694816, 21389632]

約数ペア:

[(1, 21389632), (2, 10694816), (4, 5347408), (8, 2673704), (11, 1944512), (16, 1336852), (22, 972256), (23, 929984), (32, 668426), (44, 486128), (46, 464992), (64, 334213), (88, 243064), (92, 232496), (176, 121532), (184, 116248), (253, 84544), (352, 60766), (368, 58124), (506, 42272), (704, 30383), (736, 29062), (1012, 21136), (1321, 16192), (1472, 14531), (2024, 10568), (2642, 8096), (4048, 5284)]