21683790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1223}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 56710368

約数和(自身を除く): 35026578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1182, 1223, 1773, 1970, 2446, 2955, 3546, 3669, 5910, 6115, 7338, 8865, 11007, 12230, 17730, 18345, 22014, 36690, 55035, 110070, 240931, 481862, 722793, 1204655, 1445586, 2168379, 2409310, 3613965, 4336758, 7227930, 10841895, 21683790]

約数ペア:

[(1, 21683790), (2, 10841895), (3, 7227930), (5, 4336758), (6, 3613965), (9, 2409310), (10, 2168379), (15, 1445586), (18, 1204655), (30, 722793), (45, 481862), (90, 240931), (197, 110070), (394, 55035), (591, 36690), (985, 22014), (1182, 18345), (1223, 17730), (1773, 12230), (1970, 11007), (2446, 8865), (2955, 7338), (3546, 6115), (3669, 5910)]