21081170050

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{953}}^1\times {\mathrm{4561}}^1$

素因数の和:5623

約数の個数: 48

約数和(自身を含む): 39665476872

約数和(自身を除く): 18584306822

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 953, 970, 1906, 2425, 4561, 4765, 4850, 9122, 9530, 22805, 23825, 45610, 47650, 92441, 114025, 184882, 228050, 442417, 462205, 884834, 924410, 2212085, 2311025, 4346633, 4424170, 4622050, 8693266, 11060425, 21733165, 22120850, 43466330, 108665825, 217331650, 421623401, 843246802, 2108117005, 4216234010, 10540585025, 21081170050]

約数ペア:

[(1, 21081170050), (2, 10540585025), (5, 4216234010), (10, 2108117005), (25, 843246802), (50, 421623401), (97, 217331650), (194, 108665825), (485, 43466330), (953, 22120850), (970, 21733165), (1906, 11060425), (2425, 8693266), (4561, 4622050), (4765, 4424170), (4850, 4346633), (9122, 2311025), (9530, 2212085), (22805, 924410), (23825, 884834), (45610, 462205), (47650, 442417), (92441, 228050), (114025, 184882)]