21602392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 49536000

約数和(自身を除く): 27933608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 257, 266, 316, 514, 532, 553, 632, 1028, 1064, 1106, 1501, 1799, 2056, 2212, 3002, 3598, 4424, 4883, 6004, 7196, 9766, 10507, 12008, 14392, 19532, 20303, 21014, 34181, 39064, 40606, 42028, 68362, 81212, 84056, 136724, 142121, 162424, 273448, 284242, 385757, 568484, 771514, 1136968, 1543028, 2700299, 3086056, 5400598, 10801196, 21602392]

約数ペア:

[(1, 21602392), (2, 10801196), (4, 5400598), (7, 3086056), (8, 2700299), (14, 1543028), (19, 1136968), (28, 771514), (38, 568484), (56, 385757), (76, 284242), (79, 273448), (133, 162424), (152, 142121), (158, 136724), (257, 84056), (266, 81212), (316, 68362), (514, 42028), (532, 40606), (553, 39064), (632, 34181), (1028, 21014), (1064, 20303), (1106, 19532), (1501, 14392), (1799, 12008), (2056, 10507), (2212, 9766), (3002, 7196), (3598, 6004), (4424, 4883)]