21795462

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5517

約数の個数: 48

約数和(自身を含む): 53857440

約数和(自身を除く): 32061978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5479, 10958, 16437, 32874, 49311, 71227, 93143, 98622, 142454, 186286, 213681, 279429, 427362, 558858, 641043, 838287, 1210859, 1282086, 1676574, 2421718, 3632577, 7265154, 10897731, 21795462]

約数ペア:

[(1, 21795462), (2, 10897731), (3, 7265154), (6, 3632577), (9, 2421718), (13, 1676574), (17, 1282086), (18, 1210859), (26, 838287), (34, 641043), (39, 558858), (51, 427362), (78, 279429), (102, 213681), (117, 186286), (153, 142454), (221, 98622), (234, 93143), (306, 71227), (442, 49311), (663, 32874), (1326, 16437), (1989, 10958), (3978, 5479)]