21157332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 39225900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 161, 188, 233, 276, 282, 322, 329, 466, 483, 564, 644, 658, 699, 932, 966, 987, 1081, 1316, 1398, 1631, 1932, 1974, 2162, 2796, 3243, 3262, 3948, 4324, 4893, 5359, 6486, 6524, 7567, 9786, 10718, 10951, 12972, 15134, 16077, 19572, 21436, 21902, 22701, 30268, 32154, 32853, 37513, 43804, 45402, 64308, 65706, 75026, 76657, 90804, 112539, 131412, 150052, 153314, 225078, 229971, 251873, 306628, 450156, 459942, 503746, 755619, 919884, 1007492, 1511238, 1763111, 3022476, 3526222, 5289333, 7052444, 10578666, 21157332]

約数ペア:

[(1, 21157332), (2, 10578666), (3, 7052444), (4, 5289333), (6, 3526222), (7, 3022476), (12, 1763111), (14, 1511238), (21, 1007492), (23, 919884), (28, 755619), (42, 503746), (46, 459942), (47, 450156), (69, 306628), (84, 251873), (92, 229971), (94, 225078), (138, 153314), (141, 150052), (161, 131412), (188, 112539), (233, 90804), (276, 76657), (282, 75026), (322, 65706), (329, 64308), (466, 45402), (483, 43804), (564, 37513), (644, 32853), (658, 32154), (699, 30268), (932, 22701), (966, 21902), (987, 21436), (1081, 19572), (1316, 16077), (1398, 15134), (1631, 12972), (1932, 10951), (1974, 10718), (2162, 9786), (2796, 7567), (3243, 6524), (3262, 6486), (3948, 5359), (4324, 4893)]