21639772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10037}}^1$

素因数の和:10066

約数の個数: 36

約数和(自身を含む): 48061944

約数和(自身を除く): 26422172

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 10037, 20074, 40148, 70259, 110407, 140518, 220814, 281036, 441628, 491813, 772849, 983626, 1545698, 1967252, 3091396, 5409943, 10819886, 21639772]

約数ペア:

[(1, 21639772), (2, 10819886), (4, 5409943), (7, 3091396), (11, 1967252), (14, 1545698), (22, 983626), (28, 772849), (44, 491813), (49, 441628), (77, 281036), (98, 220814), (154, 140518), (196, 110407), (308, 70259), (539, 40148), (1078, 20074), (2156, 10037)]