21903660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121687}}^1$

素因数の和:121702

約数の個数: 36

約数和(自身を含む): 66441648

約数和(自身を除く): 44537988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121687, 243374, 365061, 486748, 608435, 730122, 1095183, 1216870, 1460244, 1825305, 2190366, 2433740, 3650610, 4380732, 5475915, 7301220, 10951830, 21903660]

約数ペア:

[(1, 21903660), (2, 10951830), (3, 7301220), (4, 5475915), (5, 4380732), (6, 3650610), (9, 2433740), (10, 2190366), (12, 1825305), (15, 1460244), (18, 1216870), (20, 1095183), (30, 730122), (36, 608435), (45, 486748), (60, 365061), (90, 243374), (180, 121687)]