21278940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6011}}^1$

素因数の和:6082

約数の個数: 48

約数和(自身を含む): 60600960

約数和(自身を除く): 39322020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 6011, 12022, 18033, 24044, 30055, 36066, 60110, 72132, 90165, 120220, 180330, 354649, 360660, 709298, 1063947, 1418596, 1773245, 2127894, 3546490, 4255788, 5319735, 7092980, 10639470, 21278940]

約数ペア:

[(1, 21278940), (2, 10639470), (3, 7092980), (4, 5319735), (5, 4255788), (6, 3546490), (10, 2127894), (12, 1773245), (15, 1418596), (20, 1063947), (30, 709298), (59, 360660), (60, 354649), (118, 180330), (177, 120220), (236, 90165), (295, 72132), (354, 60110), (590, 36066), (708, 30055), (885, 24044), (1180, 18033), (1770, 12022), (3540, 6011)]