21254838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25314762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1049, 1842, 2098, 3147, 3377, 6294, 6754, 10131, 11539, 20262, 23078, 34617, 69234, 322043, 644086, 966129, 1932258, 3542473, 7084946, 10627419, 21254838]

約数ペア:

[(1, 21254838), (2, 10627419), (3, 7084946), (6, 3542473), (11, 1932258), (22, 966129), (33, 644086), (66, 322043), (307, 69234), (614, 34617), (921, 23078), (1049, 20262), (1842, 11539), (2098, 10131), (3147, 6754), (3377, 6294)]