21161322

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12919}}^1$

素因数の和:12947

約数の個数: 48

約数和(自身を含む): 56434560

約数和(自身を除く): 35273238

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12919, 25838, 38757, 77514, 90433, 116271, 167947, 180866, 232542, 271299, 335894, 503841, 542598, 813897, 1007682, 1175629, 1511523, 1627794, 2351258, 3023046, 3526887, 7053774, 10580661, 21161322]

約数ペア:

[(1, 21161322), (2, 10580661), (3, 7053774), (6, 3526887), (7, 3023046), (9, 2351258), (13, 1627794), (14, 1511523), (18, 1175629), (21, 1007682), (26, 813897), (39, 542598), (42, 503841), (63, 335894), (78, 271299), (91, 232542), (117, 180866), (126, 167947), (182, 116271), (234, 90433), (273, 77514), (546, 38757), (819, 25838), (1638, 12919)]