21995514

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{1453}}^1$

素因数の和:1519

約数の個数: 36

約数和(自身を含む): 49390926

約数和(自身を除く): 27395412

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 841, 1453, 1682, 2523, 2906, 4359, 5046, 7569, 8718, 13077, 15138, 26154, 42137, 84274, 126411, 252822, 379233, 758466, 1221973, 2443946, 3665919, 7331838, 10997757, 21995514]

約数ペア:

[(1, 21995514), (2, 10997757), (3, 7331838), (6, 3665919), (9, 2443946), (18, 1221973), (29, 758466), (58, 379233), (87, 252822), (174, 126411), (261, 84274), (522, 42137), (841, 26154), (1453, 15138), (1682, 13077), (2523, 8718), (2906, 7569), (4359, 5046)]