21489936

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34439}}^1$

素因数の和:34463

約数の個数: 40

約数和(自身を含む): 59787840

約数和(自身を除く): 38297904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34439, 68878, 103317, 137756, 206634, 275512, 413268, 447707, 551024, 826536, 895414, 1343121, 1653072, 1790828, 2686242, 3581656, 5372484, 7163312, 10744968, 21489936]

約数ペア:

[(1, 21489936), (2, 10744968), (3, 7163312), (4, 5372484), (6, 3581656), (8, 2686242), (12, 1790828), (13, 1653072), (16, 1343121), (24, 895414), (26, 826536), (39, 551024), (48, 447707), (52, 413268), (78, 275512), (104, 206634), (156, 137756), (208, 103317), (312, 68878), (624, 34439)]