21999408

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{19927}}^1$

素因数の和:19961

約数の個数: 40

約数和(自身を含む): 59305728

約数和(自身を除く): 37306320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 19927, 39854, 59781, 79708, 119562, 159416, 239124, 318832, 458321, 478248, 916642, 956496, 1374963, 1833284, 2749926, 3666568, 5499852, 7333136, 10999704, 21999408]

約数ペア:

[(1, 21999408), (2, 10999704), (3, 7333136), (4, 5499852), (6, 3666568), (8, 2749926), (12, 1833284), (16, 1374963), (23, 956496), (24, 916642), (46, 478248), (48, 458321), (69, 318832), (92, 239124), (138, 159416), (184, 119562), (276, 79708), (368, 59781), (552, 39854), (1104, 19927)]