21873453

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 35232000

約数和(自身を除く): 13358547

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 733, 1029, 1421, 2199, 4263, 5131, 9947, 15393, 21257, 29841, 35917, 63771, 107751, 148799, 251419, 446397, 754257, 1041593, 3124779, 7291151, 21873453]

約数ペア:

[(1, 21873453), (3, 7291151), (7, 3124779), (21, 1041593), (29, 754257), (49, 446397), (87, 251419), (147, 148799), (203, 107751), (343, 63771), (609, 35917), (733, 29841), (1029, 21257), (1421, 15393), (2199, 9947), (4263, 5131)]