21059376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33749}}^1$

素因数の和:33773

約数の個数: 40

約数和(自身を含む): 58590000

約数和(自身を除く): 37530624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33749, 67498, 101247, 134996, 202494, 269992, 404988, 438737, 539984, 809976, 877474, 1316211, 1619952, 1754948, 2632422, 3509896, 5264844, 7019792, 10529688, 21059376]

約数ペア:

[(1, 21059376), (2, 10529688), (3, 7019792), (4, 5264844), (6, 3509896), (8, 2632422), (12, 1754948), (13, 1619952), (16, 1316211), (24, 877474), (26, 809976), (39, 539984), (48, 438737), (52, 404988), (78, 269992), (104, 202494), (156, 134996), (208, 101247), (312, 67498), (624, 33749)]