21623160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 49501320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 167, 195, 249, 260, 312, 332, 334, 390, 415, 498, 501, 520, 664, 668, 780, 830, 835, 996, 1002, 1079, 1245, 1336, 1560, 1660, 1670, 1992, 2004, 2158, 2171, 2490, 2505, 3237, 3320, 3340, 4008, 4316, 4342, 4980, 5010, 5395, 6474, 6513, 6680, 8632, 8684, 9960, 10020, 10790, 10855, 12948, 13026, 13861, 16185, 17368, 20040, 21580, 21710, 25896, 26052, 27722, 32370, 32565, 41583, 43160, 43420, 52104, 55444, 64740, 65130, 69305, 83166, 86840, 110888, 129480, 130260, 138610, 166332, 180193, 207915, 260520, 277220, 332664, 360386, 415830, 540579, 554440, 720772, 831660, 900965, 1081158, 1441544, 1663320, 1801930, 2162316, 2702895, 3603860, 4324632, 5405790, 7207720, 10811580, 21623160]

約数ペア:

[(1, 21623160), (2, 10811580), (3, 7207720), (4, 5405790), (5, 4324632), (6, 3603860), (8, 2702895), (10, 2162316), (12, 1801930), (13, 1663320), (15, 1441544), (20, 1081158), (24, 900965), (26, 831660), (30, 720772), (39, 554440), (40, 540579), (52, 415830), (60, 360386), (65, 332664), (78, 277220), (83, 260520), (104, 207915), (120, 180193), (130, 166332), (156, 138610), (166, 130260), (167, 129480), (195, 110888), (249, 86840), (260, 83166), (312, 69305), (332, 65130), (334, 64740), (390, 55444), (415, 52104), (498, 43420), (501, 43160), (520, 41583), (664, 32565), (668, 32370), (780, 27722), (830, 26052), (835, 25896), (996, 21710), (1002, 21580), (1079, 20040), (1245, 17368), (1336, 16185), (1560, 13861), (1660, 13026), (1670, 12948), (1992, 10855), (2004, 10790), (2158, 10020), (2171, 9960), (2490, 8684), (2505, 8632), (3237, 6680), (3320, 6513), (3340, 6474), (4008, 5395), (4316, 5010), (4342, 4980)]