21835735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 29253312

約数和(自身を除く): 7417577

約数列:

[1, 5, 17, 37, 53, 85, 131, 185, 265, 629, 655, 901, 1961, 2227, 3145, 4505, 4847, 6943, 9805, 11135, 24235, 33337, 34715, 82399, 118031, 166685, 256891, 411995, 590155, 1284455, 4367147, 21835735]

約数ペア:

[(1, 21835735), (5, 4367147), (17, 1284455), (37, 590155), (53, 411995), (85, 256891), (131, 166685), (185, 118031), (265, 82399), (629, 34715), (655, 33337), (901, 24235), (1961, 11135), (2227, 9805), (3145, 6943), (4505, 4847)]