21744795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 14603109

約数列:

[1, 3, 5, 15, 31, 93, 101, 155, 303, 463, 465, 505, 1389, 1515, 2315, 3131, 6945, 9393, 14353, 15655, 43059, 46763, 46965, 71765, 140289, 215295, 233815, 701445, 1449653, 4348959, 7248265, 21744795]

約数ペア:

[(1, 21744795), (3, 7248265), (5, 4348959), (15, 1449653), (31, 701445), (93, 233815), (101, 215295), (155, 140289), (303, 71765), (463, 46965), (465, 46763), (505, 43059), (1389, 15655), (1515, 14353), (2315, 9393), (3131, 6945)]