21166788

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^2\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 36

約数和(自身を含む): 50226288

約数和(自身を除く): 29059500

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 331, 438, 662, 876, 993, 1324, 1986, 3972, 5329, 10658, 15987, 21316, 24163, 31974, 48326, 63948, 72489, 96652, 144978, 289956, 1763899, 3527798, 5291697, 7055596, 10583394, 21166788]

約数ペア:

[(1, 21166788), (2, 10583394), (3, 7055596), (4, 5291697), (6, 3527798), (12, 1763899), (73, 289956), (146, 144978), (219, 96652), (292, 72489), (331, 63948), (438, 48326), (662, 31974), (876, 24163), (993, 21316), (1324, 15987), (1986, 10658), (3972, 5329)]