21432554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 38114496

約数和(自身を除く): 16681942

約数列:

[1, 2, 11, 13, 22, 26, 137, 143, 274, 286, 547, 1094, 1507, 1781, 3014, 3562, 6017, 7111, 12034, 14222, 19591, 39182, 74939, 78221, 149878, 156442, 824329, 974207, 1648658, 1948414, 10716277, 21432554]

約数ペア:

[(1, 21432554), (2, 10716277), (11, 1948414), (13, 1648658), (22, 974207), (26, 824329), (137, 156442), (143, 149878), (274, 78221), (286, 74939), (547, 39182), (1094, 19591), (1507, 14222), (1781, 12034), (3014, 7111), (3562, 6017)]