21111486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4144

約数の個数: 32

約数和(自身を含む): 46656000

約数和(自身を除く): 25544514

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 869, 1738, 2607, 4049, 5214, 8098, 12147, 24294, 44539, 89078, 133617, 267234, 319871, 639742, 959613, 1919226, 3518581, 7037162, 10555743, 21111486]

約数ペア:

[(1, 21111486), (2, 10555743), (3, 7037162), (6, 3518581), (11, 1919226), (22, 959613), (33, 639742), (66, 319871), (79, 267234), (158, 133617), (237, 89078), (474, 44539), (869, 24294), (1738, 12147), (2607, 8098), (4049, 5214)]