21702064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3517

約数の個数: 40

約数和(自身を含む): 46470240

約数和(自身を除く): 24768176

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3469, 6256, 6938, 13876, 27752, 55504, 58973, 79787, 117946, 159574, 235892, 319148, 471784, 638296, 943568, 1276592, 1356379, 2712758, 5425516, 10851032, 21702064]

約数ペア:

[(1, 21702064), (2, 10851032), (4, 5425516), (8, 2712758), (16, 1356379), (17, 1276592), (23, 943568), (34, 638296), (46, 471784), (68, 319148), (92, 235892), (136, 159574), (184, 117946), (272, 79787), (368, 58973), (391, 55504), (782, 27752), (1564, 13876), (3128, 6938), (3469, 6256)]