21191916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2267}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 32151444

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2267, 2337, 3116, 4534, 4674, 6801, 9068, 9348, 13602, 27204, 43073, 86146, 92947, 129219, 172292, 185894, 258438, 278841, 371788, 516876, 557682, 1115364, 1765993, 3531986, 5297979, 7063972, 10595958, 21191916]

約数ペア:

[(1, 21191916), (2, 10595958), (3, 7063972), (4, 5297979), (6, 3531986), (12, 1765993), (19, 1115364), (38, 557682), (41, 516876), (57, 371788), (76, 278841), (82, 258438), (114, 185894), (123, 172292), (164, 129219), (228, 92947), (246, 86146), (492, 43073), (779, 27204), (1558, 13602), (2267, 9348), (2337, 9068), (3116, 6801), (4534, 4674)]