21377432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8273}}^1$

素因数の和:8315

約数の個数: 32

約数和(自身を含む): 44679600

約数和(自身を除く): 23302168

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8273, 16546, 33092, 66184, 140641, 157187, 281282, 314374, 562564, 628748, 1125128, 1257496, 2672179, 5344358, 10688716, 21377432]

約数ペア:

[(1, 21377432), (2, 10688716), (4, 5344358), (8, 2672179), (17, 1257496), (19, 1125128), (34, 628748), (38, 562564), (68, 314374), (76, 281282), (136, 157187), (152, 140641), (323, 66184), (646, 33092), (1292, 16546), (2584, 8273)]