21218574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1367}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 24746226

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1367, 2587, 2734, 4101, 5174, 7761, 8202, 15522, 17771, 35542, 53313, 106626, 272033, 544066, 816099, 1632198, 3536429, 7072858, 10609287, 21218574]

約数ペア:

[(1, 21218574), (2, 10609287), (3, 7072858), (6, 3536429), (13, 1632198), (26, 816099), (39, 544066), (78, 272033), (199, 106626), (398, 53313), (597, 35542), (1194, 17771), (1367, 15522), (2587, 8202), (2734, 7761), (4101, 5174)]