21311112

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 55486080

約数和(自身を除く): 34174968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 103, 111, 148, 206, 222, 233, 296, 309, 412, 444, 466, 618, 699, 824, 888, 932, 1236, 1398, 1864, 2472, 2796, 3811, 5592, 7622, 8621, 11433, 15244, 17242, 22866, 23999, 25863, 30488, 34484, 45732, 47998, 51726, 68968, 71997, 91464, 95996, 103452, 143994, 191992, 206904, 287988, 575976, 887963, 1775926, 2663889, 3551852, 5327778, 7103704, 10655556, 21311112]

約数ペア:

[(1, 21311112), (2, 10655556), (3, 7103704), (4, 5327778), (6, 3551852), (8, 2663889), (12, 1775926), (24, 887963), (37, 575976), (74, 287988), (103, 206904), (111, 191992), (148, 143994), (206, 103452), (222, 95996), (233, 91464), (296, 71997), (309, 68968), (412, 51726), (444, 47998), (466, 45732), (618, 34484), (699, 30488), (824, 25863), (888, 23999), (932, 22866), (1236, 17242), (1398, 15244), (1864, 11433), (2472, 8621), (2796, 7622), (3811, 5592)]