21976488

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1433}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 61948800

約数和(自身を除く): 39972312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1433, 1704, 1917, 2556, 2866, 3834, 4299, 5112, 5732, 7668, 8598, 11464, 12897, 15336, 17196, 25794, 34392, 38691, 51588, 77382, 101743, 103176, 154764, 203486, 305229, 309528, 406972, 610458, 813944, 915687, 1220916, 1831374, 2441832, 2747061, 3662748, 5494122, 7325496, 10988244, 21976488]

約数ペア:

[(1, 21976488), (2, 10988244), (3, 7325496), (4, 5494122), (6, 3662748), (8, 2747061), (9, 2441832), (12, 1831374), (18, 1220916), (24, 915687), (27, 813944), (36, 610458), (54, 406972), (71, 309528), (72, 305229), (108, 203486), (142, 154764), (213, 103176), (216, 101743), (284, 77382), (426, 51588), (568, 38691), (639, 34392), (852, 25794), (1278, 17196), (1433, 15336), (1704, 12897), (1917, 11464), (2556, 8598), (2866, 7668), (3834, 5732), (4299, 5112)]