21204252

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25609}}^1$

素因数の和:25642

約数の個数: 36

約数和(自身を含む): 55932240

約数和(自身を除く): 34727988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25609, 51218, 76827, 102436, 153654, 230481, 307308, 460962, 589007, 921924, 1178014, 1767021, 2356028, 3534042, 5301063, 7068084, 10602126, 21204252]

約数ペア:

[(1, 21204252), (2, 10602126), (3, 7068084), (4, 5301063), (6, 3534042), (9, 2356028), (12, 1767021), (18, 1178014), (23, 921924), (36, 589007), (46, 460962), (69, 307308), (92, 230481), (138, 153654), (207, 102436), (276, 76827), (414, 51218), (828, 25609)]