21341320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 66407040

約数和(自身を除く): 45065720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 41, 44, 52, 55, 56, 65, 70, 77, 82, 88, 91, 104, 110, 130, 140, 143, 154, 164, 169, 182, 205, 220, 260, 280, 286, 287, 308, 328, 338, 364, 385, 410, 440, 451, 455, 520, 533, 572, 574, 616, 676, 715, 728, 770, 820, 845, 902, 910, 1001, 1066, 1144, 1148, 1183, 1352, 1430, 1435, 1540, 1640, 1690, 1804, 1820, 1859, 2002, 2132, 2255, 2296, 2366, 2665, 2860, 2870, 3080, 3157, 3380, 3608, 3640, 3718, 3731, 4004, 4264, 4510, 4732, 5005, 5330, 5720, 5740, 5863, 5915, 6314, 6760, 6929, 7436, 7462, 8008, 9020, 9295, 9464, 10010, 10660, 11480, 11726, 11830, 12628, 13013, 13858, 14872, 14924, 15785, 18040, 18590, 18655, 20020, 21320, 23452, 23660, 25256, 26026, 27716, 29315, 29848, 31570, 34645, 37180, 37310, 40040, 41041, 46904, 47320, 48503, 52052, 55432, 58630, 63140, 65065, 69290, 74360, 74620, 76219, 82082, 97006, 104104, 117260, 126280, 130130, 138580, 149240, 152438, 164164, 194012, 205205, 234520, 242515, 260260, 277160, 304876, 328328, 381095, 388024, 410410, 485030, 520520, 533533, 609752, 762190, 820820, 970060, 1067066, 1524380, 1641640, 1940120, 2134132, 2667665, 3048760, 4268264, 5335330, 10670660, 21341320]

約数ペア:

[(1, 21341320), (2, 10670660), (4, 5335330), (5, 4268264), (7, 3048760), (8, 2667665), (10, 2134132), (11, 1940120), (13, 1641640), (14, 1524380), (20, 1067066), (22, 970060), (26, 820820), (28, 762190), (35, 609752), (40, 533533), (41, 520520), (44, 485030), (52, 410410), (55, 388024), (56, 381095), (65, 328328), (70, 304876), (77, 277160), (82, 260260), (88, 242515), (91, 234520), (104, 205205), (110, 194012), (130, 164164), (140, 152438), (143, 149240), (154, 138580), (164, 130130), (169, 126280), (182, 117260), (205, 104104), (220, 97006), (260, 82082), (280, 76219), (286, 74620), (287, 74360), (308, 69290), (328, 65065), (338, 63140), (364, 58630), (385, 55432), (410, 52052), (440, 48503), (451, 47320), (455, 46904), (520, 41041), (533, 40040), (572, 37310), (574, 37180), (616, 34645), (676, 31570), (715, 29848), (728, 29315), (770, 27716), (820, 26026), (845, 25256), (902, 23660), (910, 23452), (1001, 21320), (1066, 20020), (1144, 18655), (1148, 18590), (1183, 18040), (1352, 15785), (1430, 14924), (1435, 14872), (1540, 13858), (1640, 13013), (1690, 12628), (1804, 11830), (1820, 11726), (1859, 11480), (2002, 10660), (2132, 10010), (2255, 9464), (2296, 9295), (2366, 9020), (2665, 8008), (2860, 7462), (2870, 7436), (3080, 6929), (3157, 6760), (3380, 6314), (3608, 5915), (3640, 5863), (3718, 5740), (3731, 5720), (4004, 5330), (4264, 5005), (4510, 4732)]