21646716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 63748608

約数和(自身を除く): 42101892

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 461, 516, 546, 559, 602, 903, 922, 1092, 1118, 1204, 1383, 1677, 1806, 1844, 2236, 2766, 3227, 3354, 3612, 3913, 5532, 5993, 6454, 6708, 7826, 9681, 11739, 11986, 12908, 15652, 17979, 19362, 19823, 23478, 23972, 35958, 38724, 39646, 41951, 46956, 59469, 71916, 79292, 83902, 118938, 125853, 138761, 167804, 237876, 251706, 257699, 277522, 416283, 503412, 515398, 555044, 773097, 832566, 1030796, 1546194, 1665132, 1803893, 3092388, 3607786, 5411679, 7215572, 10823358, 21646716]

約数ペア:

[(1, 21646716), (2, 10823358), (3, 7215572), (4, 5411679), (6, 3607786), (7, 3092388), (12, 1803893), (13, 1665132), (14, 1546194), (21, 1030796), (26, 832566), (28, 773097), (39, 555044), (42, 515398), (43, 503412), (52, 416283), (78, 277522), (84, 257699), (86, 251706), (91, 237876), (129, 167804), (156, 138761), (172, 125853), (182, 118938), (258, 83902), (273, 79292), (301, 71916), (364, 59469), (461, 46956), (516, 41951), (546, 39646), (559, 38724), (602, 35958), (903, 23972), (922, 23478), (1092, 19823), (1118, 19362), (1204, 17979), (1383, 15652), (1677, 12908), (1806, 11986), (1844, 11739), (2236, 9681), (2766, 7826), (3227, 6708), (3354, 6454), (3612, 5993), (3913, 5532)]