21272664

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18089}}^1$

素因数の和:18112

約数の個数: 48

約数和(自身を含む): 61867800

約数和(自身を除く): 40595136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18089, 36178, 54267, 72356, 108534, 126623, 144712, 217068, 253246, 379869, 434136, 506492, 759738, 886361, 1012984, 1519476, 1772722, 2659083, 3038952, 3545444, 5318166, 7090888, 10636332, 21272664]

約数ペア:

[(1, 21272664), (2, 10636332), (3, 7090888), (4, 5318166), (6, 3545444), (7, 3038952), (8, 2659083), (12, 1772722), (14, 1519476), (21, 1012984), (24, 886361), (28, 759738), (42, 506492), (49, 434136), (56, 379869), (84, 253246), (98, 217068), (147, 144712), (168, 126623), (196, 108534), (294, 72356), (392, 54267), (588, 36178), (1176, 18089)]