21224030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 17967010

約数列:

[1, 2, 5, 10, 71, 142, 167, 179, 334, 355, 358, 710, 835, 895, 1670, 1790, 11857, 12709, 23714, 25418, 29893, 59285, 59786, 63545, 118570, 127090, 149465, 298930, 2122403, 4244806, 10612015, 21224030]

約数ペア:

[(1, 21224030), (2, 10612015), (5, 4244806), (10, 2122403), (71, 298930), (142, 149465), (167, 127090), (179, 118570), (334, 63545), (355, 59786), (358, 59285), (710, 29893), (835, 25418), (895, 23714), (1670, 12709), (1790, 11857)]