21037545945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1\times {\mathrm{15053}}^1$

素因数の和:17466

約数の個数: 48

約数和(自身を含む): 39289133520

約数和(自身を除く): 18251587575

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 2389, 7167, 11945, 15053, 21501, 31057, 35835, 45159, 75265, 93171, 107505, 135477, 155285, 195689, 225795, 279513, 465855, 587067, 677385, 978445, 1397565, 1761201, 2935335, 8806005, 35961617, 107884851, 179808085, 323654553, 467501021, 539424255, 1402503063, 1618272765, 2337505105, 4207509189, 7012515315, 21037545945]

約数ペア:

[(1, 21037545945), (3, 7012515315), (5, 4207509189), (9, 2337505105), (13, 1618272765), (15, 1402503063), (39, 539424255), (45, 467501021), (65, 323654553), (117, 179808085), (195, 107884851), (585, 35961617), (2389, 8806005), (7167, 2935335), (11945, 1761201), (15053, 1397565), (21501, 978445), (31057, 677385), (35835, 587067), (45159, 465855), (75265, 279513), (93171, 225795), (107505, 195689), (135477, 155285)]