21364005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15891675

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1231, 1335, 3471, 3693, 5785, 6155, 16003, 17355, 18465, 48009, 80015, 109559, 240045, 328677, 547795, 1424267, 1643385, 4272801, 7121335, 21364005]

約数ペア:

[(1, 21364005), (3, 7121335), (5, 4272801), (13, 1643385), (15, 1424267), (39, 547795), (65, 328677), (89, 240045), (195, 109559), (267, 80015), (445, 48009), (1157, 18465), (1231, 17355), (1335, 16003), (3471, 6155), (3693, 5785)]