213421278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{220933}}^1$

素因数の和:220968

約数の個数: 32

約数和(自身を含む): 509031936

約数和(自身を除く): 295610658

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 220933, 441866, 662799, 1325598, 1546531, 3093062, 4639593, 5081459, 9279186, 10162918, 15244377, 30488754, 35570213, 71140426, 106710639, 213421278]

約数ペア:

[(1, 213421278), (2, 106710639), (3, 71140426), (6, 35570213), (7, 30488754), (14, 15244377), (21, 10162918), (23, 9279186), (42, 5081459), (46, 4639593), (69, 3093062), (138, 1546531), (161, 1325598), (322, 662799), (483, 441866), (966, 220933)]