21580712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20513368

約数列:

[1, 2, 4, 8, 31, 62, 124, 173, 248, 346, 503, 692, 1006, 1384, 2012, 4024, 5363, 10726, 15593, 21452, 31186, 42904, 62372, 87019, 124744, 174038, 348076, 696152, 2697589, 5395178, 10790356, 21580712]

約数ペア:

[(1, 21580712), (2, 10790356), (4, 5395178), (8, 2697589), (31, 696152), (62, 348076), (124, 174038), (173, 124744), (248, 87019), (346, 62372), (503, 42904), (692, 31186), (1006, 21452), (1384, 15593), (2012, 10726), (4024, 5363)]