21387696

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40507}}^1$

素因数の和:40529

約数の個数: 40

約数和(自身を含む): 60275904

約数和(自身を除く): 38888208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40507, 81014, 121521, 162028, 243042, 324056, 445577, 486084, 648112, 891154, 972168, 1336731, 1782308, 1944336, 2673462, 3564616, 5346924, 7129232, 10693848, 21387696]

約数ペア:

[(1, 21387696), (2, 10693848), (3, 7129232), (4, 5346924), (6, 3564616), (8, 2673462), (11, 1944336), (12, 1782308), (16, 1336731), (22, 972168), (24, 891154), (33, 648112), (44, 486084), (48, 445577), (66, 324056), (88, 243042), (132, 162028), (176, 121521), (264, 81014), (528, 40507)]