21007260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116707}}^1$

素因数の和:116722

約数の個数: 36

約数和(自身を含む): 63722568

約数和(自身を除く): 42715308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116707, 233414, 350121, 466828, 583535, 700242, 1050363, 1167070, 1400484, 1750605, 2100726, 2334140, 3501210, 4201452, 5251815, 7002420, 10503630, 21007260]

約数ペア:

[(1, 21007260), (2, 10503630), (3, 7002420), (4, 5251815), (5, 4201452), (6, 3501210), (9, 2334140), (10, 2100726), (12, 1750605), (15, 1400484), (18, 1167070), (20, 1050363), (30, 700242), (36, 583535), (45, 466828), (60, 350121), (90, 233414), (180, 116707)]