21637836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 60370128

約数和(自身を除く): 38732292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 541, 606, 909, 1082, 1111, 1212, 1623, 1818, 2164, 2222, 3246, 3333, 3636, 4444, 4869, 5951, 6492, 6666, 9738, 9999, 11902, 13332, 17853, 19476, 19998, 23804, 35706, 39996, 53559, 54641, 71412, 107118, 109282, 163923, 214236, 218564, 327846, 491769, 601051, 655692, 983538, 1202102, 1803153, 1967076, 2404204, 3606306, 5409459, 7212612, 10818918, 21637836]

約数ペア:

[(1, 21637836), (2, 10818918), (3, 7212612), (4, 5409459), (6, 3606306), (9, 2404204), (11, 1967076), (12, 1803153), (18, 1202102), (22, 983538), (33, 655692), (36, 601051), (44, 491769), (66, 327846), (99, 218564), (101, 214236), (132, 163923), (198, 109282), (202, 107118), (303, 71412), (396, 54641), (404, 53559), (541, 39996), (606, 35706), (909, 23804), (1082, 19998), (1111, 19476), (1212, 17853), (1623, 13332), (1818, 11902), (2164, 9999), (2222, 9738), (3246, 6666), (3333, 6492), (3636, 5951), (4444, 4869)]