21471692

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 42836640

約数和(自身を除く): 21364948

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 109, 121, 148, 218, 242, 407, 436, 484, 814, 1199, 1331, 1628, 2398, 2662, 4033, 4477, 4796, 5324, 8066, 8954, 13189, 16132, 17908, 26378, 44363, 49247, 52756, 88726, 98494, 145079, 177452, 196988, 290158, 487993, 580316, 975986, 1951972, 5367923, 10735846, 21471692]

約数ペア:

[(1, 21471692), (2, 10735846), (4, 5367923), (11, 1951972), (22, 975986), (37, 580316), (44, 487993), (74, 290158), (109, 196988), (121, 177452), (148, 145079), (218, 98494), (242, 88726), (407, 52756), (436, 49247), (484, 44363), (814, 26378), (1199, 17908), (1331, 16132), (1628, 13189), (2398, 8954), (2662, 8066), (4033, 5324), (4477, 4796)]