21993192

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23497}}^1$

素因数の和:23522

約数の個数: 48

約数和(自身を含む): 64149540

約数和(自身を除く): 42156348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23497, 46994, 70491, 93988, 140982, 187976, 211473, 281964, 305461, 422946, 563928, 610922, 845892, 916383, 1221844, 1691784, 1832766, 2443688, 2749149, 3665532, 5498298, 7331064, 10996596, 21993192]

約数ペア:

[(1, 21993192), (2, 10996596), (3, 7331064), (4, 5498298), (6, 3665532), (8, 2749149), (9, 2443688), (12, 1832766), (13, 1691784), (18, 1221844), (24, 916383), (26, 845892), (36, 610922), (39, 563928), (52, 422946), (72, 305461), (78, 281964), (104, 211473), (117, 187976), (156, 140982), (234, 93988), (312, 70491), (468, 46994), (936, 23497)]