21925280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 34974304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 83, 104, 127, 130, 160, 166, 208, 254, 260, 332, 415, 416, 508, 520, 635, 664, 830, 1016, 1040, 1079, 1270, 1328, 1651, 1660, 2032, 2080, 2158, 2540, 2656, 3302, 3320, 4064, 4316, 5080, 5395, 6604, 6640, 8255, 8632, 10160, 10541, 10790, 13208, 13280, 16510, 17264, 20320, 21082, 21580, 26416, 33020, 34528, 42164, 43160, 52705, 52832, 66040, 84328, 86320, 105410, 132080, 137033, 168656, 172640, 210820, 264160, 274066, 337312, 421640, 548132, 685165, 843280, 1096264, 1370330, 1686560, 2192528, 2740660, 4385056, 5481320, 10962640, 21925280]

約数ペア:

[(1, 21925280), (2, 10962640), (4, 5481320), (5, 4385056), (8, 2740660), (10, 2192528), (13, 1686560), (16, 1370330), (20, 1096264), (26, 843280), (32, 685165), (40, 548132), (52, 421640), (65, 337312), (80, 274066), (83, 264160), (104, 210820), (127, 172640), (130, 168656), (160, 137033), (166, 132080), (208, 105410), (254, 86320), (260, 84328), (332, 66040), (415, 52832), (416, 52705), (508, 43160), (520, 42164), (635, 34528), (664, 33020), (830, 26416), (1016, 21580), (1040, 21082), (1079, 20320), (1270, 17264), (1328, 16510), (1651, 13280), (1660, 13208), (2032, 10790), (2080, 10541), (2158, 10160), (2540, 8632), (2656, 8255), (3302, 6640), (3320, 6604), (4064, 5395), (4316, 5080)]