21184176

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 62433504

約数和(自身を除く): 41249328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 1997, 2652, 3536, 3994, 5304, 5991, 7988, 10608, 11982, 15976, 23964, 25961, 31952, 33949, 47928, 51922, 67898, 77883, 95856, 101847, 103844, 135796, 155766, 203694, 207688, 271592, 311532, 407388, 415376, 441337, 543184, 623064, 814776, 882674, 1246128, 1324011, 1629552, 1765348, 2648022, 3530696, 5296044, 7061392, 10592088, 21184176]

約数ペア:

[(1, 21184176), (2, 10592088), (3, 7061392), (4, 5296044), (6, 3530696), (8, 2648022), (12, 1765348), (13, 1629552), (16, 1324011), (17, 1246128), (24, 882674), (26, 814776), (34, 623064), (39, 543184), (48, 441337), (51, 415376), (52, 407388), (68, 311532), (78, 271592), (102, 207688), (104, 203694), (136, 155766), (156, 135796), (204, 103844), (208, 101847), (221, 95856), (272, 77883), (312, 67898), (408, 51922), (442, 47928), (624, 33949), (663, 31952), (816, 25961), (884, 23964), (1326, 15976), (1768, 11982), (1997, 10608), (2652, 7988), (3536, 5991), (3994, 5304)]