21861196

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9883}}^1$

素因数の和:9973

約数の個数: 24

約数和(自身を含む): 44280320

約数和(自身を除く): 22419124

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9883, 19766, 39532, 69181, 138362, 276724, 780757, 1561514, 3123028, 5465299, 10930598, 21861196]

約数ペア:

[(1, 21861196), (2, 10930598), (4, 5465299), (7, 3123028), (14, 1561514), (28, 780757), (79, 276724), (158, 138362), (316, 69181), (553, 39532), (1106, 19766), (2212, 9883)]