21132846

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34024914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1511, 1554, 1998, 2331, 3022, 4533, 4662, 6993, 9066, 10577, 13599, 13986, 21154, 27198, 31731, 40797, 55907, 63462, 81594, 95193, 111814, 167721, 190386, 285579, 335442, 391349, 503163, 571158, 782698, 1006326, 1174047, 1509489, 2348094, 3018978, 3522141, 7044282, 10566423, 21132846]

約数ペア:

[(1, 21132846), (2, 10566423), (3, 7044282), (6, 3522141), (7, 3018978), (9, 2348094), (14, 1509489), (18, 1174047), (21, 1006326), (27, 782698), (37, 571158), (42, 503163), (54, 391349), (63, 335442), (74, 285579), (111, 190386), (126, 167721), (189, 111814), (222, 95193), (259, 81594), (333, 63462), (378, 55907), (518, 40797), (666, 31731), (777, 27198), (999, 21154), (1511, 13986), (1554, 13599), (1998, 10577), (2331, 9066), (3022, 6993), (4533, 4662)]