21331422

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2237

約数の個数: 48

約数和(自身を含む): 53514240

約数和(自身を除く): 32182818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2143, 3318, 4286, 4977, 6429, 9954, 12858, 15001, 19287, 30002, 38574, 45003, 90006, 135009, 169297, 270018, 338594, 507891, 1015782, 1185079, 1523673, 2370158, 3047346, 3555237, 7110474, 10665711, 21331422]

約数ペア:

[(1, 21331422), (2, 10665711), (3, 7110474), (6, 3555237), (7, 3047346), (9, 2370158), (14, 1523673), (18, 1185079), (21, 1015782), (42, 507891), (63, 338594), (79, 270018), (126, 169297), (158, 135009), (237, 90006), (474, 45003), (553, 38574), (711, 30002), (1106, 19287), (1422, 15001), (1659, 12858), (2143, 9954), (3318, 6429), (4286, 4977)]