21080304

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6971}}^1$

素因数の和:6995

約数の個数: 80

約数和(自身を含む): 69162240

約数和(自身を除く): 48081936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6971, 13942, 20913, 27884, 41826, 48797, 55768, 62739, 83652, 97594, 111536, 125478, 146391, 167304, 188217, 195188, 250956, 292782, 334608, 376434, 390376, 439173, 501912, 585564, 752868, 780752, 878346, 1003824, 1171128, 1317519, 1505736, 1756692, 2342256, 2635038, 3011472, 3513384, 5270076, 7026768, 10540152, 21080304]

約数ペア:

[(1, 21080304), (2, 10540152), (3, 7026768), (4, 5270076), (6, 3513384), (7, 3011472), (8, 2635038), (9, 2342256), (12, 1756692), (14, 1505736), (16, 1317519), (18, 1171128), (21, 1003824), (24, 878346), (27, 780752), (28, 752868), (36, 585564), (42, 501912), (48, 439173), (54, 390376), (56, 376434), (63, 334608), (72, 292782), (84, 250956), (108, 195188), (112, 188217), (126, 167304), (144, 146391), (168, 125478), (189, 111536), (216, 97594), (252, 83652), (336, 62739), (378, 55768), (432, 48797), (504, 41826), (756, 27884), (1008, 20913), (1512, 13942), (3024, 6971)]