21080496

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 60

約数和(自身を含む): 56394456

約数和(自身を除く): 35313960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 457, 496, 744, 914, 961, 1371, 1488, 1828, 1922, 2742, 2883, 3656, 3844, 5484, 5766, 7312, 7688, 10968, 11532, 14167, 15376, 21936, 23064, 28334, 42501, 46128, 56668, 85002, 113336, 170004, 226672, 340008, 439177, 680016, 878354, 1317531, 1756708, 2635062, 3513416, 5270124, 7026832, 10540248, 21080496]

約数ペア:

[(1, 21080496), (2, 10540248), (3, 7026832), (4, 5270124), (6, 3513416), (8, 2635062), (12, 1756708), (16, 1317531), (24, 878354), (31, 680016), (48, 439177), (62, 340008), (93, 226672), (124, 170004), (186, 113336), (248, 85002), (372, 56668), (457, 46128), (496, 42501), (744, 28334), (914, 23064), (961, 21936), (1371, 15376), (1488, 14167), (1828, 11532), (1922, 10968), (2742, 7688), (2883, 7312), (3656, 5766), (3844, 5484)]