21482115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 36412416

約数和(自身を除く): 14930301

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 877, 1065, 1633, 2631, 4385, 4899, 8165, 13155, 20171, 24495, 60513, 62267, 100855, 186801, 302565, 311335, 934005, 1432141, 4296423, 7160705, 21482115]

約数ペア:

[(1, 21482115), (3, 7160705), (5, 4296423), (15, 1432141), (23, 934005), (69, 311335), (71, 302565), (115, 186801), (213, 100855), (345, 62267), (355, 60513), (877, 24495), (1065, 20171), (1633, 13155), (2631, 8165), (4385, 4899)]