21403859826

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131893}}^1$

素因数の和:131995

約数の個数: 64

約数和(自身を含む): 47633781888

約数和(自身を除く): 26229922062

約数列:

[1, 2, 3, 6, 17, 34, 37, 43, 51, 74, 86, 102, 111, 129, 222, 258, 629, 731, 1258, 1462, 1591, 1887, 2193, 3182, 3774, 4386, 4773, 9546, 27047, 54094, 81141, 131893, 162282, 263786, 395679, 791358, 2242181, 4484362, 4880041, 5671399, 6726543, 9760082, 11342798, 13453086, 14640123, 17014197, 29280246, 34028394, 82960697, 96413783, 165921394, 192827566, 209841763, 248882091, 289241349, 419683526, 497764182, 578482698, 629525289, 1259050578, 3567309971, 7134619942, 10701929913, 21403859826]

約数ペア:

[(1, 21403859826), (2, 10701929913), (3, 7134619942), (6, 3567309971), (17, 1259050578), (34, 629525289), (37, 578482698), (43, 497764182), (51, 419683526), (74, 289241349), (86, 248882091), (102, 209841763), (111, 192827566), (129, 165921394), (222, 96413783), (258, 82960697), (629, 34028394), (731, 29280246), (1258, 17014197), (1462, 14640123), (1591, 13453086), (1887, 11342798), (2193, 9760082), (3182, 6726543), (3774, 5671399), (4386, 4880041), (4773, 4484362), (9546, 2242181), (27047, 791358), (54094, 395679), (81141, 263786), (131893, 162282)]