21402528

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31849}}^1$

素因数の和:31869

約数の個数: 48

約数和(自身を含む): 64209600

約数和(自身を除く): 42807072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31849, 63698, 95547, 127396, 191094, 222943, 254792, 382188, 445886, 509584, 668829, 764376, 891772, 1019168, 1337658, 1528752, 1783544, 2675316, 3057504, 3567088, 5350632, 7134176, 10701264, 21402528]

約数ペア:

[(1, 21402528), (2, 10701264), (3, 7134176), (4, 5350632), (6, 3567088), (7, 3057504), (8, 2675316), (12, 1783544), (14, 1528752), (16, 1337658), (21, 1019168), (24, 891772), (28, 764376), (32, 668829), (42, 509584), (48, 445886), (56, 382188), (84, 254792), (96, 222943), (112, 191094), (168, 127396), (224, 95547), (336, 63698), (672, 31849)]