21331850728

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1\times {\mathrm{601}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 41111784000

約数和(自身を除く): 19779933272

約数列:

[1, 2, 4, 8, 59, 118, 139, 236, 278, 472, 541, 556, 601, 1082, 1112, 1202, 2164, 2404, 4328, 4808, 8201, 16402, 31919, 32804, 35459, 63838, 65608, 70918, 75199, 83539, 127676, 141836, 150398, 167078, 255352, 283672, 300796, 325141, 334156, 601592, 650282, 668312, 1300564, 2601128, 4436741, 4928801, 8873482, 9857602, 17746964, 19183319, 19715204, 35493928, 38366638, 39430408, 45194599, 76733276, 90389198, 153466552, 180778396, 361556792, 2666481341, 5332962682, 10665925364, 21331850728]

約数ペア:

[(1, 21331850728), (2, 10665925364), (4, 5332962682), (8, 2666481341), (59, 361556792), (118, 180778396), (139, 153466552), (236, 90389198), (278, 76733276), (472, 45194599), (541, 39430408), (556, 38366638), (601, 35493928), (1082, 19715204), (1112, 19183319), (1202, 17746964), (2164, 9857602), (2404, 8873482), (4328, 4928801), (4808, 4436741), (8201, 2601128), (16402, 1300564), (31919, 668312), (32804, 650282), (35459, 601592), (63838, 334156), (65608, 325141), (70918, 300796), (75199, 283672), (83539, 255352), (127676, 167078), (141836, 150398)]