21094590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 34788930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 97, 110, 165, 194, 291, 330, 485, 582, 659, 970, 1067, 1318, 1455, 1977, 2134, 2910, 3201, 3295, 3954, 5335, 6402, 6590, 7249, 9885, 10670, 14498, 16005, 19770, 21747, 32010, 36245, 43494, 63923, 72490, 108735, 127846, 191769, 217470, 319615, 383538, 639230, 703153, 958845, 1406306, 1917690, 2109459, 3515765, 4218918, 7031530, 10547295, 21094590]

約数ペア:

[(1, 21094590), (2, 10547295), (3, 7031530), (5, 4218918), (6, 3515765), (10, 2109459), (11, 1917690), (15, 1406306), (22, 958845), (30, 703153), (33, 639230), (55, 383538), (66, 319615), (97, 217470), (110, 191769), (165, 127846), (194, 108735), (291, 72490), (330, 63923), (485, 43494), (582, 36245), (659, 32010), (970, 21747), (1067, 19770), (1318, 16005), (1455, 14498), (1977, 10670), (2134, 9885), (2910, 7249), (3201, 6590), (3295, 6402), (3954, 5335)]