21903930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 35379270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1223, 1791, 1990, 2446, 2985, 3582, 3669, 5970, 6115, 7338, 8955, 11007, 12230, 17910, 18345, 22014, 36690, 55035, 110070, 243377, 486754, 730131, 1216885, 1460262, 2190393, 2433770, 3650655, 4380786, 7301310, 10951965, 21903930]

約数ペア:

[(1, 21903930), (2, 10951965), (3, 7301310), (5, 4380786), (6, 3650655), (9, 2433770), (10, 2190393), (15, 1460262), (18, 1216885), (30, 730131), (45, 486754), (90, 243377), (199, 110070), (398, 55035), (597, 36690), (995, 22014), (1194, 18345), (1223, 17910), (1791, 12230), (1990, 11007), (2446, 8955), (2985, 7338), (3582, 6115), (3669, 5970)]