21751506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3673}}^1$

素因数の和:3735

約数の個数: 48

約数和(自身を含む): 55021824

約数和(自身を除く): 33270318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3673, 5922, 7346, 11019, 22038, 25711, 33057, 51422, 66114, 77133, 154266, 172631, 231399, 345262, 462798, 517893, 1035786, 1208417, 1553679, 2416834, 3107358, 3625251, 7250502, 10875753, 21751506]

約数ペア:

[(1, 21751506), (2, 10875753), (3, 7250502), (6, 3625251), (7, 3107358), (9, 2416834), (14, 1553679), (18, 1208417), (21, 1035786), (42, 517893), (47, 462798), (63, 345262), (94, 231399), (126, 172631), (141, 154266), (282, 77133), (329, 66114), (423, 51422), (658, 33057), (846, 25711), (987, 22038), (1974, 11019), (2961, 7346), (3673, 5922)]