21391128

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{3001}}^1$

素因数の和:3030

約数の個数: 80

約数和(自身を含む): 65383560

約数和(自身を除く): 43992432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 3001, 3564, 6002, 7128, 9003, 12004, 18006, 24008, 27009, 33011, 36012, 54018, 66022, 72024, 81027, 99033, 108036, 132044, 162054, 198066, 216072, 243081, 264088, 297099, 324108, 396132, 486162, 594198, 648216, 792264, 891297, 972324, 1188396, 1782594, 1944648, 2376792, 2673891, 3565188, 5347782, 7130376, 10695564, 21391128]

約数ペア:

[(1, 21391128), (2, 10695564), (3, 7130376), (4, 5347782), (6, 3565188), (8, 2673891), (9, 2376792), (11, 1944648), (12, 1782594), (18, 1188396), (22, 972324), (24, 891297), (27, 792264), (33, 648216), (36, 594198), (44, 486162), (54, 396132), (66, 324108), (72, 297099), (81, 264088), (88, 243081), (99, 216072), (108, 198066), (132, 162054), (162, 132044), (198, 108036), (216, 99033), (264, 81027), (297, 72024), (324, 66022), (396, 54018), (594, 36012), (648, 33011), (792, 27009), (891, 24008), (1188, 18006), (1782, 12004), (2376, 9003), (3001, 7128), (3564, 6002)]