21180348

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12007}}^1$

素因数の和:12031

約数の個数: 54

約数和(自身を含む): 62285496

約数和(自身を除く): 41105148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12007, 24014, 36021, 48028, 72042, 84049, 108063, 144084, 168098, 216126, 252147, 336196, 432252, 504294, 588343, 756441, 1008588, 1176686, 1512882, 1765029, 2353372, 3025764, 3530058, 5295087, 7060116, 10590174, 21180348]

約数ペア:

[(1, 21180348), (2, 10590174), (3, 7060116), (4, 5295087), (6, 3530058), (7, 3025764), (9, 2353372), (12, 1765029), (14, 1512882), (18, 1176686), (21, 1008588), (28, 756441), (36, 588343), (42, 504294), (49, 432252), (63, 336196), (84, 252147), (98, 216126), (126, 168098), (147, 144084), (196, 108063), (252, 84049), (294, 72042), (441, 48028), (588, 36021), (882, 24014), (1764, 12007)]