21995930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 21394150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 557, 718, 1114, 1795, 2785, 3590, 3949, 5570, 6127, 7898, 12254, 19745, 30635, 39490, 61270, 199963, 399926, 999815, 1999630, 2199593, 4399186, 10997965, 21995930]

約数ペア:

[(1, 21995930), (2, 10997965), (5, 4399186), (10, 2199593), (11, 1999630), (22, 999815), (55, 399926), (110, 199963), (359, 61270), (557, 39490), (718, 30635), (1114, 19745), (1795, 12254), (2785, 7898), (3590, 6127), (3949, 5570)]