21249624

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80491}}^1$

素因数の和:80511

約数の個数: 32

約数和(自身を含む): 57954240

約数和(自身を除く): 36704616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80491, 160982, 241473, 321964, 482946, 643928, 885401, 965892, 1770802, 1931784, 2656203, 3541604, 5312406, 7083208, 10624812, 21249624]

約数ペア:

[(1, 21249624), (2, 10624812), (3, 7083208), (4, 5312406), (6, 3541604), (8, 2656203), (11, 1931784), (12, 1770802), (22, 965892), (24, 885401), (33, 643928), (44, 482946), (66, 321964), (88, 241473), (132, 160982), (264, 80491)]