21683090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 25128430

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 257, 286, 295, 514, 590, 649, 715, 767, 1285, 1298, 1430, 1534, 2570, 2827, 3245, 3341, 3835, 5654, 6490, 6682, 7670, 8437, 14135, 15163, 16705, 16874, 28270, 30326, 33410, 36751, 42185, 73502, 75815, 84370, 151630, 166793, 183755, 197119, 333586, 367510, 394238, 833965, 985595, 1667930, 1971190, 2168309, 4336618, 10841545, 21683090]

約数ペア:

[(1, 21683090), (2, 10841545), (5, 4336618), (10, 2168309), (11, 1971190), (13, 1667930), (22, 985595), (26, 833965), (55, 394238), (59, 367510), (65, 333586), (110, 197119), (118, 183755), (130, 166793), (143, 151630), (257, 84370), (286, 75815), (295, 73502), (514, 42185), (590, 36751), (649, 33410), (715, 30326), (767, 28270), (1285, 16874), (1298, 16705), (1430, 15163), (1534, 14135), (2570, 8437), (2827, 7670), (3245, 6682), (3341, 6490), (3835, 5654)]