21409156678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{57131}}^1$

素因数の和:57253

約数の個数: 64

約数和(自身を含む): 41464120320

約数和(自身を除く): 20054963642

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 71, 91, 142, 182, 203, 377, 406, 497, 754, 923, 994, 1846, 2059, 2639, 4118, 5278, 6461, 12922, 14413, 26767, 28826, 53534, 57131, 114262, 187369, 374738, 399917, 742703, 799834, 1485406, 1656799, 3313598, 4056301, 5198921, 8112602, 10397842, 11597593, 21538387, 23195186, 28394107, 43076774, 52731913, 56788214, 105463826, 117632729, 150768709, 235265458, 301537418, 369123391, 738246782, 823429103, 1529225477, 1646858206, 3058450954, 10704578339, 21409156678]

約数ペア:

[(1, 21409156678), (2, 10704578339), (7, 3058450954), (13, 1646858206), (14, 1529225477), (26, 823429103), (29, 738246782), (58, 369123391), (71, 301537418), (91, 235265458), (142, 150768709), (182, 117632729), (203, 105463826), (377, 56788214), (406, 52731913), (497, 43076774), (754, 28394107), (923, 23195186), (994, 21538387), (1846, 11597593), (2059, 10397842), (2639, 8112602), (4118, 5198921), (5278, 4056301), (6461, 3313598), (12922, 1656799), (14413, 1485406), (26767, 799834), (28826, 742703), (53534, 399917), (57131, 374738), (114262, 187369)]