21836210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1109}}^1$

素因数の和:1306

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 21320590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1109, 1790, 1969, 2218, 3938, 5545, 9845, 11090, 12199, 19690, 24398, 60995, 121990, 198511, 397022, 992555, 1985110, 2183621, 4367242, 10918105, 21836210]

約数ペア:

[(1, 21836210), (2, 10918105), (5, 4367242), (10, 2183621), (11, 1985110), (22, 992555), (55, 397022), (110, 198511), (179, 121990), (358, 60995), (895, 24398), (1109, 19690), (1790, 12199), (1969, 11090), (2218, 9845), (3938, 5545)]