21200520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16061}}^1$

素因数の和:16086

約数の個数: 64

約数和(自身を含む): 69387840

約数和(自身を除く): 48187320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16061, 32122, 48183, 64244, 80305, 96366, 128488, 160610, 176671, 192732, 240915, 321220, 353342, 385464, 481830, 530013, 642440, 706684, 883355, 963660, 1060026, 1413368, 1766710, 1927320, 2120052, 2650065, 3533420, 4240104, 5300130, 7066840, 10600260, 21200520]

約数ペア:

[(1, 21200520), (2, 10600260), (3, 7066840), (4, 5300130), (5, 4240104), (6, 3533420), (8, 2650065), (10, 2120052), (11, 1927320), (12, 1766710), (15, 1413368), (20, 1060026), (22, 963660), (24, 883355), (30, 706684), (33, 642440), (40, 530013), (44, 481830), (55, 385464), (60, 353342), (66, 321220), (88, 240915), (110, 192732), (120, 176671), (132, 160610), (165, 128488), (220, 96366), (264, 80305), (330, 64244), (440, 48183), (660, 32122), (1320, 16061)]