21461232

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 60357248

約数和(自身を除く): 38896016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 163, 208, 211, 312, 326, 422, 489, 624, 633, 652, 844, 978, 1266, 1304, 1688, 1956, 2119, 2532, 2608, 2743, 3376, 3912, 4238, 5064, 5486, 6357, 7824, 8229, 8476, 10128, 10972, 12714, 16458, 16952, 21944, 25428, 32916, 33904, 34393, 43888, 50856, 65832, 68786, 101712, 103179, 131664, 137572, 206358, 275144, 412716, 447109, 550288, 825432, 894218, 1341327, 1650864, 1788436, 2682654, 3576872, 5365308, 7153744, 10730616, 21461232]

約数ペア:

[(1, 21461232), (2, 10730616), (3, 7153744), (4, 5365308), (6, 3576872), (8, 2682654), (12, 1788436), (13, 1650864), (16, 1341327), (24, 894218), (26, 825432), (39, 550288), (48, 447109), (52, 412716), (78, 275144), (104, 206358), (156, 137572), (163, 131664), (208, 103179), (211, 101712), (312, 68786), (326, 65832), (422, 50856), (489, 43888), (624, 34393), (633, 33904), (652, 32916), (844, 25428), (978, 21944), (1266, 16952), (1304, 16458), (1688, 12714), (1956, 10972), (2119, 10128), (2532, 8476), (2608, 8229), (2743, 7824), (3376, 6357), (3912, 5486), (4238, 5064)]