21840367015025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{4810733}}^1$

素因数の和:4811046

約数の個数: 48

約数和(自身を含む): 29772863008560

約数和(自身を除く): 7932495993535

約数列:

[1, 5, 13, 25, 61, 65, 229, 305, 325, 793, 1145, 1525, 2977, 3965, 5725, 13969, 14885, 19825, 69845, 74425, 181597, 349225, 907985, 4539925, 4810733, 24053665, 62539529, 120268325, 293454713, 312697645, 1101657857, 1467273565, 1563488225, 3814911269, 5508289285, 7336367825, 14321552141, 19074556345, 27541446425, 67201129277, 71607760705, 95372781725, 336005646385, 358038803525, 873614680601, 1680028231925, 4368073403005, 21840367015025]

約数ペア:

[(1, 21840367015025), (5, 4368073403005), (13, 1680028231925), (25, 873614680601), (61, 358038803525), (65, 336005646385), (229, 95372781725), (305, 71607760705), (325, 67201129277), (793, 27541446425), (1145, 19074556345), (1525, 14321552141), (2977, 7336367825), (3965, 5508289285), (5725, 3814911269), (13969, 1563488225), (14885, 1467273565), (19825, 1101657857), (69845, 312697645), (74425, 293454713), (181597, 120268325), (349225, 62539529), (907985, 24053665), (4539925, 4810733)]