21554198

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 24

約数和(自身を含む): 34813800

約数和(自身を除く): 13259602

約数列:

[1, 2, 17, 34, 89, 178, 289, 419, 578, 838, 1513, 3026, 7123, 14246, 25721, 37291, 51442, 74582, 121091, 242182, 633947, 1267894, 10777099, 21554198]

約数ペア:

[(1, 21554198), (2, 10777099), (17, 1267894), (34, 633947), (89, 242182), (178, 121091), (289, 74582), (419, 51442), (578, 37291), (838, 25721), (1513, 14246), (3026, 7123)]