21490458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{907}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 47070720

約数和(自身を除く): 25580262

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 359, 718, 907, 1077, 1814, 2154, 2721, 3949, 5442, 7898, 9977, 11847, 19954, 23694, 29931, 59862, 325613, 651226, 976839, 1953678, 3581743, 7163486, 10745229, 21490458]

約数ペア:

[(1, 21490458), (2, 10745229), (3, 7163486), (6, 3581743), (11, 1953678), (22, 976839), (33, 651226), (66, 325613), (359, 59862), (718, 29931), (907, 23694), (1077, 19954), (1814, 11847), (2154, 9977), (2721, 7898), (3949, 5442)]