21000869115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32559487}}^1$

素因数の和:32559538

約数の個数: 16

約数和(自身を含む): 34382819328

約数和(自身を除く): 13381950213

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32559487, 97678461, 162797435, 488392305, 1400057941, 4200173823, 7000289705, 21000869115]

約数ペア:

[(1, 21000869115), (3, 7000289705), (5, 4200173823), (15, 1400057941), (43, 488392305), (129, 162797435), (215, 97678461), (645, 32559487)]