21851172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86711}}^1$

素因数の和:86728

約数の個数: 36

約数和(自身を含む): 63126336

約数和(自身を除く): 41275164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86711, 173422, 260133, 346844, 520266, 606977, 780399, 1040532, 1213954, 1560798, 1820931, 2427908, 3121596, 3641862, 5462793, 7283724, 10925586, 21851172]

約数ペア:

[(1, 21851172), (2, 10925586), (3, 7283724), (4, 5462793), (6, 3641862), (7, 3121596), (9, 2427908), (12, 1820931), (14, 1560798), (18, 1213954), (21, 1040532), (28, 780399), (36, 606977), (42, 520266), (63, 346844), (84, 260133), (126, 173422), (252, 86711)]