21491496

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22961}}^1$

素因数の和:22986

約数の個数: 48

約数和(自身を含む): 62686260

約数和(自身を除く): 41194764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22961, 45922, 68883, 91844, 137766, 183688, 206649, 275532, 298493, 413298, 551064, 596986, 826596, 895479, 1193972, 1653192, 1790958, 2387944, 2686437, 3581916, 5372874, 7163832, 10745748, 21491496]

約数ペア:

[(1, 21491496), (2, 10745748), (3, 7163832), (4, 5372874), (6, 3581916), (8, 2686437), (9, 2387944), (12, 1790958), (13, 1653192), (18, 1193972), (24, 895479), (26, 826596), (36, 596986), (39, 551064), (52, 413298), (72, 298493), (78, 275532), (104, 206649), (117, 183688), (156, 137766), (234, 91844), (312, 68883), (468, 45922), (936, 22961)]