21710904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 36349896

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 127, 136, 204, 254, 381, 408, 419, 508, 762, 838, 1016, 1257, 1524, 1676, 2159, 2514, 3048, 3352, 4318, 5028, 6477, 7123, 8636, 10056, 12954, 14246, 17272, 21369, 25908, 28492, 42738, 51816, 53213, 56984, 85476, 106426, 159639, 170952, 212852, 319278, 425704, 638556, 904621, 1277112, 1809242, 2713863, 3618484, 5427726, 7236968, 10855452, 21710904]

約数ペア:

[(1, 21710904), (2, 10855452), (3, 7236968), (4, 5427726), (6, 3618484), (8, 2713863), (12, 1809242), (17, 1277112), (24, 904621), (34, 638556), (51, 425704), (68, 319278), (102, 212852), (127, 170952), (136, 159639), (204, 106426), (254, 85476), (381, 56984), (408, 53213), (419, 51816), (508, 42738), (762, 28492), (838, 25908), (1016, 21369), (1257, 17272), (1524, 14246), (1676, 12954), (2159, 10056), (2514, 8636), (3048, 7123), (3352, 6477), (4318, 5028)]