21305784

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23993}}^1$

素因数の和:24039

約数の個数: 32

約数和(自身を含む): 54706320

約数和(自身を除く): 33400536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23993, 47986, 71979, 95972, 143958, 191944, 287916, 575832, 887741, 1775482, 2663223, 3550964, 5326446, 7101928, 10652892, 21305784]

約数ペア:

[(1, 21305784), (2, 10652892), (3, 7101928), (4, 5326446), (6, 3550964), (8, 2663223), (12, 1775482), (24, 887741), (37, 575832), (74, 287916), (111, 191944), (148, 143958), (222, 95972), (296, 71979), (444, 47986), (888, 23993)]