21999344

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2243}}^1$

素因数の和:2864

約数の個数: 20

約数和(自身を含む): 42712296

約数和(自身を除く): 20712952

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2243, 2452, 4486, 4904, 8972, 9808, 17944, 35888, 1374959, 2749918, 5499836, 10999672, 21999344]

約数ペア:

[(1, 21999344), (2, 10999672), (4, 5499836), (8, 2749918), (16, 1374959), (613, 35888), (1226, 17944), (2243, 9808), (2452, 8972), (4486, 4904)]