21014012

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 37935072

約数和(自身を除く): 16921060

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1213, 2426, 4331, 4852, 8662, 17324, 73993, 86123, 147986, 172246, 295972, 344492, 5253503, 10507006, 21014012]

約数ペア:

[(1, 21014012), (2, 10507006), (4, 5253503), (61, 344492), (71, 295972), (122, 172246), (142, 147986), (244, 86123), (284, 73993), (1213, 17324), (2426, 8662), (4331, 4852)]