21904860105

素因数分解:

$3^3\times 5^1\times {\mathrm{7019}}^1\times {\mathrm{23117}}^1$

素因数の和:30150

約数の個数: 32

約数和(自身を含む): 38949206400

約数和(自身を除く): 17044346295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 7019, 21057, 23117, 35095, 63171, 69351, 105285, 115585, 189513, 208053, 315855, 346755, 624159, 947565, 1040265, 3120795, 162258223, 486774669, 811291115, 1460324007, 2433873345, 4380972021, 7301620035, 21904860105]

約数ペア:

[(1, 21904860105), (3, 7301620035), (5, 4380972021), (9, 2433873345), (15, 1460324007), (27, 811291115), (45, 486774669), (135, 162258223), (7019, 3120795), (21057, 1040265), (23117, 947565), (35095, 624159), (63171, 346755), (69351, 315855), (105285, 208053), (115585, 189513)]