421806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 1072512

約数和(自身を除く): 650706

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 83, 121, 154, 166, 231, 242, 249, 363, 462, 498, 581, 726, 847, 913, 1162, 1694, 1743, 1826, 2541, 2739, 3486, 5082, 5478, 6391, 10043, 12782, 19173, 20086, 30129, 38346, 60258, 70301, 140602, 210903, 421806]

約数ペア:

[(1, 421806), (2, 210903), (3, 140602), (6, 70301), (7, 60258), (11, 38346), (14, 30129), (21, 20086), (22, 19173), (33, 12782), (42, 10043), (66, 6391), (77, 5478), (83, 5082), (121, 3486), (154, 2739), (166, 2541), (231, 1826), (242, 1743), (249, 1694), (363, 1162), (462, 913), (498, 847), (581, 726)]