21910365

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9547}}^1$

素因数の和:9578

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 19336995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9547, 28641, 47735, 85923, 143205, 162299, 257769, 429615, 486897, 811495, 1288845, 1460691, 2434485, 4382073, 7303455, 21910365]

約数ペア:

[(1, 21910365), (3, 7303455), (5, 4382073), (9, 2434485), (15, 1460691), (17, 1288845), (27, 811495), (45, 486897), (51, 429615), (85, 257769), (135, 162299), (153, 143205), (255, 85923), (459, 47735), (765, 28641), (2295, 9547)]