21490692092

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{161521}}^1$

素因数の和:161622

約数の個数: 48

約数和(自身を含む): 41246257920

約数和(自身を除く): 19755565828

約数列:

[1, 2, 4, 29, 31, 37, 58, 62, 74, 116, 124, 148, 899, 1073, 1147, 1798, 2146, 2294, 3596, 4292, 4588, 33263, 66526, 133052, 161521, 323042, 646084, 4684109, 5007151, 5976277, 9368218, 10014302, 11952554, 18736436, 20028604, 23905108, 145207379, 173312033, 185264587, 290414758, 346624066, 370529174, 580829516, 693248132, 741058348, 5372673023, 10745346046, 21490692092]

約数ペア:

[(1, 21490692092), (2, 10745346046), (4, 5372673023), (29, 741058348), (31, 693248132), (37, 580829516), (58, 370529174), (62, 346624066), (74, 290414758), (116, 185264587), (124, 173312033), (148, 145207379), (899, 23905108), (1073, 20028604), (1147, 18736436), (1798, 11952554), (2146, 10014302), (2294, 9368218), (3596, 5976277), (4292, 5007151), (4588, 4684109), (33263, 646084), (66526, 323042), (133052, 161521)]