21993290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8693}}^1$

素因数の和:8734

約数の個数: 32

約数和(自身を含む): 45069696

約数和(自身を除く): 23076406

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8693, 17386, 43465, 86930, 95623, 191246, 199939, 399878, 478115, 956230, 999695, 1999390, 2199329, 4398658, 10996645, 21993290]

約数ペア:

[(1, 21993290), (2, 10996645), (5, 4398658), (10, 2199329), (11, 1999390), (22, 999695), (23, 956230), (46, 478115), (55, 399878), (110, 199939), (115, 191246), (230, 95623), (253, 86930), (506, 43465), (1265, 17386), (2530, 8693)]