21062295

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 37886400

約数和(自身を除く): 16824105

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 1753, 2403, 4005, 5259, 8765, 12015, 15777, 26295, 47331, 78885, 156017, 236655, 468051, 780085, 1404153, 2340255, 4212459, 7020765, 21062295]

約数ペア:

[(1, 21062295), (3, 7020765), (5, 4212459), (9, 2340255), (15, 1404153), (27, 780085), (45, 468051), (89, 236655), (135, 156017), (267, 78885), (445, 47331), (801, 26295), (1335, 15777), (1753, 12015), (2403, 8765), (4005, 5259)]