21345015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49069}}^1$

素因数の和:49106

約数の個数: 16

約数和(自身を含む): 35330400

約数和(自身を除く): 13985385

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 49069, 147207, 245345, 736035, 1423001, 4269003, 7115005, 21345015]

約数ペア:

[(1, 21345015), (3, 7115005), (5, 4269003), (15, 1423001), (29, 736035), (87, 245345), (145, 147207), (435, 49069)]