21360144

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34231}}^1$

素因数の和:34255

約数の個数: 40

約数和(自身を含む): 59426752

約数和(自身を除く): 38066608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34231, 68462, 102693, 136924, 205386, 273848, 410772, 445003, 547696, 821544, 890006, 1335009, 1643088, 1780012, 2670018, 3560024, 5340036, 7120048, 10680072, 21360144]

約数ペア:

[(1, 21360144), (2, 10680072), (3, 7120048), (4, 5340036), (6, 3560024), (8, 2670018), (12, 1780012), (13, 1643088), (16, 1335009), (24, 890006), (26, 821544), (39, 547696), (48, 445003), (52, 410772), (78, 273848), (104, 205386), (156, 136924), (208, 102693), (312, 68462), (624, 34231)]