840042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 2134080

約数和(自身を除く): 1294038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 113, 118, 126, 177, 226, 339, 354, 413, 531, 678, 791, 826, 1017, 1062, 1239, 1582, 2034, 2373, 2478, 3717, 4746, 6667, 7119, 7434, 13334, 14238, 20001, 40002, 46669, 60003, 93338, 120006, 140007, 280014, 420021, 840042]

約数ペア:

[(1, 840042), (2, 420021), (3, 280014), (6, 140007), (7, 120006), (9, 93338), (14, 60003), (18, 46669), (21, 40002), (42, 20001), (59, 14238), (63, 13334), (113, 7434), (118, 7119), (126, 6667), (177, 4746), (226, 3717), (339, 2478), (354, 2373), (413, 2034), (531, 1582), (678, 1239), (791, 1062), (826, 1017)]