21847518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1433}}^1$

素因数の和:1470

約数の個数: 72

約数和(自身を含む): 59505264

約数和(自身を除く): 37657746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1433, 1694, 2178, 2541, 2866, 4299, 5082, 7623, 8598, 10031, 12897, 15246, 15763, 20062, 25794, 30093, 31526, 47289, 60186, 90279, 94578, 110341, 141867, 173393, 180558, 220682, 283734, 331023, 346786, 520179, 662046, 993069, 1040358, 1213751, 1560537, 1986138, 2427502, 3121074, 3641253, 7282506, 10923759, 21847518]

約数ペア:

[(1, 21847518), (2, 10923759), (3, 7282506), (6, 3641253), (7, 3121074), (9, 2427502), (11, 1986138), (14, 1560537), (18, 1213751), (21, 1040358), (22, 993069), (33, 662046), (42, 520179), (63, 346786), (66, 331023), (77, 283734), (99, 220682), (121, 180558), (126, 173393), (154, 141867), (198, 110341), (231, 94578), (242, 90279), (363, 60186), (462, 47289), (693, 31526), (726, 30093), (847, 25794), (1089, 20062), (1386, 15763), (1433, 15246), (1694, 12897), (2178, 10031), (2541, 8598), (2866, 7623), (4299, 5082)]