21804992

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 26475328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 176, 188, 352, 376, 517, 659, 704, 752, 1034, 1318, 1504, 2068, 2636, 3008, 4136, 5272, 7249, 8272, 10544, 14498, 16544, 21088, 28996, 30973, 33088, 42176, 57992, 61946, 115984, 123892, 231968, 247784, 340703, 463936, 495568, 681406, 991136, 1362812, 1982272, 2725624, 5451248, 10902496, 21804992]

約数ペア:

[(1, 21804992), (2, 10902496), (4, 5451248), (8, 2725624), (11, 1982272), (16, 1362812), (22, 991136), (32, 681406), (44, 495568), (47, 463936), (64, 340703), (88, 247784), (94, 231968), (176, 123892), (188, 115984), (352, 61946), (376, 57992), (517, 42176), (659, 33088), (704, 30973), (752, 28996), (1034, 21088), (1318, 16544), (1504, 14498), (2068, 10544), (2636, 8272), (3008, 7249), (4136, 5272)]