21480222

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 46524672

約数和(自身を除く): 25044450

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 114, 141, 211, 282, 361, 422, 633, 722, 893, 1083, 1266, 1786, 2166, 2679, 4009, 5358, 8018, 9917, 12027, 16967, 19834, 24054, 29751, 33934, 50901, 59502, 76171, 101802, 152342, 188423, 228513, 376846, 457026, 565269, 1130538, 3580037, 7160074, 10740111, 21480222]

約数ペア:

[(1, 21480222), (2, 10740111), (3, 7160074), (6, 3580037), (19, 1130538), (38, 565269), (47, 457026), (57, 376846), (94, 228513), (114, 188423), (141, 152342), (211, 101802), (282, 76171), (361, 59502), (422, 50901), (633, 33934), (722, 29751), (893, 24054), (1083, 19834), (1266, 16967), (1786, 12027), (2166, 9917), (2679, 8018), (4009, 5358)]