21054888

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15391}}^1$

素因数の和:15422

約数の個数: 48

約数和(自身を含む): 60028800

約数和(自身を除く): 38973912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15391, 30782, 46173, 61564, 92346, 123128, 138519, 184692, 277038, 292429, 369384, 554076, 584858, 877287, 1108152, 1169716, 1754574, 2339432, 2631861, 3509148, 5263722, 7018296, 10527444, 21054888]

約数ペア:

[(1, 21054888), (2, 10527444), (3, 7018296), (4, 5263722), (6, 3509148), (8, 2631861), (9, 2339432), (12, 1754574), (18, 1169716), (19, 1108152), (24, 877287), (36, 584858), (38, 554076), (57, 369384), (72, 292429), (76, 277038), (114, 184692), (152, 138519), (171, 123128), (228, 92346), (342, 61564), (456, 46173), (684, 30782), (1368, 15391)]