21986944

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 51114240

約数和(自身を除く): 29127296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 424, 448, 463, 742, 848, 896, 926, 1484, 1696, 1852, 2968, 3241, 3392, 3704, 5936, 6482, 6784, 7408, 11872, 12964, 14816, 23744, 24539, 25928, 29632, 47488, 49078, 51856, 59264, 98156, 103712, 171773, 196312, 207424, 343546, 392624, 414848, 687092, 785248, 1374184, 1570496, 2748368, 3140992, 5496736, 10993472, 21986944]

約数ペア:

[(1, 21986944), (2, 10993472), (4, 5496736), (7, 3140992), (8, 2748368), (14, 1570496), (16, 1374184), (28, 785248), (32, 687092), (53, 414848), (56, 392624), (64, 343546), (106, 207424), (112, 196312), (128, 171773), (212, 103712), (224, 98156), (371, 59264), (424, 51856), (448, 49078), (463, 47488), (742, 29632), (848, 25928), (896, 24539), (926, 23744), (1484, 14816), (1696, 12964), (1852, 11872), (2968, 7408), (3241, 6784), (3392, 6482), (3704, 5936)]