21028602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 49761216

約数和(自身を除く): 28732614

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 521, 651, 961, 1042, 1302, 1563, 1922, 2883, 3126, 3647, 5766, 6727, 7294, 10941, 13454, 16151, 20181, 21882, 32302, 40362, 48453, 96906, 113057, 226114, 339171, 500681, 678342, 1001362, 1502043, 3004086, 3504767, 7009534, 10514301, 21028602]

約数ペア:

[(1, 21028602), (2, 10514301), (3, 7009534), (6, 3504767), (7, 3004086), (14, 1502043), (21, 1001362), (31, 678342), (42, 500681), (62, 339171), (93, 226114), (186, 113057), (217, 96906), (434, 48453), (521, 40362), (651, 32302), (961, 21882), (1042, 20181), (1302, 16151), (1563, 13454), (1922, 10941), (2883, 7294), (3126, 6727), (3647, 5766)]