21737356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 20780084

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 73, 116, 146, 151, 292, 302, 493, 604, 986, 1241, 1972, 2117, 2482, 2567, 4234, 4379, 4964, 5134, 8468, 8758, 10268, 11023, 17516, 22046, 35989, 44092, 71978, 74443, 143956, 148886, 187391, 297772, 319667, 374782, 639334, 749564, 1278668, 5434339, 10868678, 21737356]

約数ペア:

[(1, 21737356), (2, 10868678), (4, 5434339), (17, 1278668), (29, 749564), (34, 639334), (58, 374782), (68, 319667), (73, 297772), (116, 187391), (146, 148886), (151, 143956), (292, 74443), (302, 71978), (493, 44092), (604, 35989), (986, 22046), (1241, 17516), (1972, 11023), (2117, 10268), (2482, 8758), (2567, 8468), (4234, 5134), (4379, 4964)]