21456792

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:662

約数の個数: 128

約数和(自身を含む): 71193600

約数和(自身を除く): 49736808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 252, 276, 322, 378, 414, 483, 504, 552, 617, 621, 644, 756, 828, 966, 1234, 1242, 1288, 1449, 1512, 1656, 1851, 1932, 2468, 2484, 2898, 3702, 3864, 4319, 4347, 4936, 4968, 5553, 5796, 7404, 8638, 8694, 11106, 11592, 12957, 14191, 14808, 16659, 17276, 17388, 22212, 25914, 28382, 33318, 34552, 34776, 38871, 42573, 44424, 51828, 56764, 66636, 77742, 85146, 99337, 103656, 113528, 116613, 127719, 133272, 155484, 170292, 198674, 233226, 255438, 298011, 310968, 340584, 383157, 397348, 466452, 510876, 596022, 766314, 794696, 894033, 932904, 1021752, 1192044, 1532628, 1788066, 2384088, 2682099, 3065256, 3576132, 5364198, 7152264, 10728396, 21456792]

約数ペア:

[(1, 21456792), (2, 10728396), (3, 7152264), (4, 5364198), (6, 3576132), (7, 3065256), (8, 2682099), (9, 2384088), (12, 1788066), (14, 1532628), (18, 1192044), (21, 1021752), (23, 932904), (24, 894033), (27, 794696), (28, 766314), (36, 596022), (42, 510876), (46, 466452), (54, 397348), (56, 383157), (63, 340584), (69, 310968), (72, 298011), (84, 255438), (92, 233226), (108, 198674), (126, 170292), (138, 155484), (161, 133272), (168, 127719), (184, 116613), (189, 113528), (207, 103656), (216, 99337), (252, 85146), (276, 77742), (322, 66636), (378, 56764), (414, 51828), (483, 44424), (504, 42573), (552, 38871), (617, 34776), (621, 34552), (644, 33318), (756, 28382), (828, 25914), (966, 22212), (1234, 17388), (1242, 17276), (1288, 16659), (1449, 14808), (1512, 14191), (1656, 12957), (1851, 11592), (1932, 11106), (2468, 8694), (2484, 8638), (2898, 7404), (3702, 5796), (3864, 5553), (4319, 4968), (4347, 4936)]