21787264786

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{12697}}^1$

素因数の和:12875

約数の個数: 48

約数和(自身を含む): 39517801344

約数和(自身を除く): 17730536558

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 1022, 1679, 3358, 5329, 10658, 11753, 12697, 23506, 25394, 37303, 74606, 88879, 122567, 177758, 245134, 292031, 584062, 857969, 926881, 1715938, 1853762, 2044217, 4088434, 6488167, 12976334, 21318263, 42636526, 67662313, 135324626, 149227841, 298455682, 473636191, 947272382, 1556233199, 3112466398, 10893632393, 21787264786]

約数ペア:

[(1, 21787264786), (2, 10893632393), (7, 3112466398), (14, 1556233199), (23, 947272382), (46, 473636191), (73, 298455682), (146, 149227841), (161, 135324626), (322, 67662313), (511, 42636526), (1022, 21318263), (1679, 12976334), (3358, 6488167), (5329, 4088434), (10658, 2044217), (11753, 1853762), (12697, 1715938), (23506, 926881), (25394, 857969), (37303, 584062), (74606, 292031), (88879, 245134), (122567, 177758)]