21436776

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 58427460

約数和(自身を除く): 36990684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1721, 2076, 3114, 3442, 4152, 5163, 6228, 6884, 10326, 12456, 13768, 15489, 20652, 30978, 41304, 61956, 123912, 297733, 595466, 893199, 1190932, 1786398, 2381864, 2679597, 3572796, 5359194, 7145592, 10718388, 21436776]

約数ペア:

[(1, 21436776), (2, 10718388), (3, 7145592), (4, 5359194), (6, 3572796), (8, 2679597), (9, 2381864), (12, 1786398), (18, 1190932), (24, 893199), (36, 595466), (72, 297733), (173, 123912), (346, 61956), (519, 41304), (692, 30978), (1038, 20652), (1384, 15489), (1557, 13768), (1721, 12456), (2076, 10326), (3114, 6884), (3442, 6228), (4152, 5163)]