21780454128

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{26691733}}^1$

素因数の和:26691761

約数の個数: 40

約数和(自身を含む): 59575950288

約数和(自身を除く): 37795496160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 26691733, 53383466, 80075199, 106766932, 160150398, 213533864, 320300796, 427067728, 453759461, 640601592, 907518922, 1281203184, 1361278383, 1815037844, 2722556766, 3630075688, 5445113532, 7260151376, 10890227064, 21780454128]

約数ペア:

[(1, 21780454128), (2, 10890227064), (3, 7260151376), (4, 5445113532), (6, 3630075688), (8, 2722556766), (12, 1815037844), (16, 1361278383), (17, 1281203184), (24, 907518922), (34, 640601592), (48, 453759461), (51, 427067728), (68, 320300796), (102, 213533864), (136, 160150398), (204, 106766932), (272, 80075199), (408, 53383466), (816, 26691733)]