21884408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 52738560

約数和(自身を除く): 30854152

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1288, 1307, 2093, 2392, 2614, 4186, 5228, 8372, 9149, 10456, 16744, 16991, 18298, 30061, 33982, 36596, 60122, 67964, 73192, 118937, 120244, 135928, 210427, 237874, 240488, 390793, 420854, 475748, 781586, 841708, 951496, 1563172, 1683416, 2735551, 3126344, 5471102, 10942204, 21884408]

約数ペア:

[(1, 21884408), (2, 10942204), (4, 5471102), (7, 3126344), (8, 2735551), (13, 1683416), (14, 1563172), (23, 951496), (26, 841708), (28, 781586), (46, 475748), (52, 420854), (56, 390793), (91, 240488), (92, 237874), (104, 210427), (161, 135928), (182, 120244), (184, 118937), (299, 73192), (322, 67964), (364, 60122), (598, 36596), (644, 33982), (728, 30061), (1196, 18298), (1288, 16991), (1307, 16744), (2093, 10456), (2392, 9149), (2614, 8372), (4186, 5228)]