21266916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{439}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 54405120

約数和(自身を除く): 33138204

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 367, 439, 734, 878, 1101, 1317, 1468, 1756, 2202, 2634, 4037, 4404, 4829, 5268, 8074, 9658, 12111, 14487, 16148, 19316, 24222, 28974, 48444, 57948, 161113, 322226, 483339, 644452, 966678, 1772243, 1933356, 3544486, 5316729, 7088972, 10633458, 21266916]

約数ペア:

[(1, 21266916), (2, 10633458), (3, 7088972), (4, 5316729), (6, 3544486), (11, 1933356), (12, 1772243), (22, 966678), (33, 644452), (44, 483339), (66, 322226), (132, 161113), (367, 57948), (439, 48444), (734, 28974), (878, 24222), (1101, 19316), (1317, 16148), (1468, 14487), (1756, 12111), (2202, 9658), (2634, 8074), (4037, 5268), (4404, 4829)]