21219504

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 37705296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 53, 57, 76, 106, 114, 152, 159, 212, 228, 304, 318, 424, 439, 456, 636, 848, 878, 912, 1007, 1272, 1317, 1756, 2014, 2544, 2634, 3021, 3512, 4028, 5268, 6042, 7024, 8056, 8341, 10536, 12084, 16112, 16682, 21072, 23267, 24168, 25023, 33364, 46534, 48336, 50046, 66728, 69801, 93068, 100092, 133456, 139602, 186136, 200184, 279204, 372272, 400368, 442073, 558408, 884146, 1116816, 1326219, 1768292, 2652438, 3536584, 5304876, 7073168, 10609752, 21219504]

約数ペア:

[(1, 21219504), (2, 10609752), (3, 7073168), (4, 5304876), (6, 3536584), (8, 2652438), (12, 1768292), (16, 1326219), (19, 1116816), (24, 884146), (38, 558408), (48, 442073), (53, 400368), (57, 372272), (76, 279204), (106, 200184), (114, 186136), (152, 139602), (159, 133456), (212, 100092), (228, 93068), (304, 69801), (318, 66728), (424, 50046), (439, 48336), (456, 46534), (636, 33364), (848, 25023), (878, 24168), (912, 23267), (1007, 21072), (1272, 16682), (1317, 16112), (1756, 12084), (2014, 10536), (2544, 8341), (2634, 8056), (3021, 7024), (3512, 6042), (4028, 5268)]