21146454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 33850026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1161, 1301, 1806, 2322, 2602, 2709, 3903, 5418, 7806, 8127, 9107, 11709, 16254, 18214, 23418, 27321, 35127, 54642, 55943, 70254, 81963, 111886, 163926, 167829, 245889, 335658, 391601, 491778, 503487, 783202, 1006974, 1174803, 1510461, 2349606, 3020922, 3524409, 7048818, 10573227, 21146454]

約数ペア:

[(1, 21146454), (2, 10573227), (3, 7048818), (6, 3524409), (7, 3020922), (9, 2349606), (14, 1510461), (18, 1174803), (21, 1006974), (27, 783202), (42, 503487), (43, 491778), (54, 391601), (63, 335658), (86, 245889), (126, 167829), (129, 163926), (189, 111886), (258, 81963), (301, 70254), (378, 55943), (387, 54642), (602, 35127), (774, 27321), (903, 23418), (1161, 18214), (1301, 16254), (1806, 11709), (2322, 9107), (2602, 8127), (2709, 7806), (3903, 5418)]