21605265

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14549}}^1$

素因数の和:14574

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 20298735

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14549, 43647, 72745, 130941, 160039, 218235, 392823, 480117, 654705, 800195, 1440351, 1964115, 2400585, 4321053, 7201755, 21605265]

約数ペア:

[(1, 21605265), (3, 7201755), (5, 4321053), (9, 2400585), (11, 1964115), (15, 1440351), (27, 800195), (33, 654705), (45, 480117), (55, 392823), (99, 218235), (135, 160039), (165, 130941), (297, 72745), (495, 43647), (1485, 14549)]