21702530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 19278718

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1231, 1763, 2462, 3526, 6155, 8815, 12310, 17630, 50471, 52933, 100942, 105866, 252355, 264665, 504710, 529330, 2170253, 4340506, 10851265, 21702530]

約数ペア:

[(1, 21702530), (2, 10851265), (5, 4340506), (10, 2170253), (41, 529330), (43, 504710), (82, 264665), (86, 252355), (205, 105866), (215, 100942), (410, 52933), (430, 50471), (1231, 17630), (1763, 12310), (2462, 8815), (3526, 6155)]