21572404

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 24553676

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 406, 434, 812, 857, 868, 899, 1714, 1798, 3428, 3596, 5999, 6293, 11998, 12586, 23996, 24853, 25172, 26567, 49706, 53134, 99412, 106268, 173971, 185969, 347942, 371938, 695884, 743876, 770443, 1540886, 3081772, 5393101, 10786202, 21572404]

約数ペア:

[(1, 21572404), (2, 10786202), (4, 5393101), (7, 3081772), (14, 1540886), (28, 770443), (29, 743876), (31, 695884), (58, 371938), (62, 347942), (116, 185969), (124, 173971), (203, 106268), (217, 99412), (406, 53134), (434, 49706), (812, 26567), (857, 25172), (868, 24853), (899, 23996), (1714, 12586), (1798, 11998), (3428, 6293), (3596, 5999)]