21799681228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{52541}}^1$

素因数の和:52738

約数の個数: 48

約数和(自身を含む): 42016786560

約数和(自身を除く): 20217105332

約数列:

[1, 2, 4, 13, 26, 52, 79, 101, 158, 202, 316, 404, 1027, 1313, 2054, 2626, 4108, 5252, 7979, 15958, 31916, 52541, 103727, 105082, 207454, 210164, 414908, 683033, 1366066, 2732132, 4150739, 5306641, 8301478, 10613282, 16602956, 21226564, 53959607, 68986333, 107919214, 137972666, 215838428, 275945332, 419224639, 838449278, 1676898556, 5449920307, 10899840614, 21799681228]

約数ペア:

[(1, 21799681228), (2, 10899840614), (4, 5449920307), (13, 1676898556), (26, 838449278), (52, 419224639), (79, 275945332), (101, 215838428), (158, 137972666), (202, 107919214), (316, 68986333), (404, 53959607), (1027, 21226564), (1313, 16602956), (2054, 10613282), (2626, 8301478), (4108, 5306641), (5252, 4150739), (7979, 2732132), (15958, 1366066), (31916, 683033), (52541, 414908), (103727, 210164), (105082, 207454)]