21464060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 27222340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1609, 2668, 3218, 3335, 6436, 6670, 8045, 13340, 16090, 32180, 37007, 46661, 74014, 93322, 148028, 185035, 186644, 233305, 370070, 466610, 740140, 933220, 1073203, 2146406, 4292812, 5366015, 10732030, 21464060]

約数ペア:

[(1, 21464060), (2, 10732030), (4, 5366015), (5, 4292812), (10, 2146406), (20, 1073203), (23, 933220), (29, 740140), (46, 466610), (58, 370070), (92, 233305), (115, 186644), (116, 185035), (145, 148028), (230, 93322), (290, 74014), (460, 46661), (580, 37007), (667, 32180), (1334, 16090), (1609, 13340), (2668, 8045), (3218, 6670), (3335, 6436)]