21134536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8179}}^1$

素因数の和:8221

約数の個数: 32

約数和(自身を含む): 44172000

約数和(自身を除く): 23037464

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8179, 16358, 32716, 65432, 139043, 155401, 278086, 310802, 556172, 621604, 1112344, 1243208, 2641817, 5283634, 10567268, 21134536]

約数ペア:

[(1, 21134536), (2, 10567268), (4, 5283634), (8, 2641817), (17, 1243208), (19, 1112344), (34, 621604), (38, 556172), (68, 310802), (76, 278086), (136, 155401), (152, 139043), (323, 65432), (646, 32716), (1292, 16358), (2584, 8179)]