21449484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1875

約数の個数: 72

約数和(自身を含む): 63318528

約数和(自身を除く): 41869044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1811, 1974, 2961, 3622, 3948, 5433, 5922, 7244, 10866, 11844, 12677, 16299, 21732, 25354, 32598, 38031, 50708, 65196, 76062, 85117, 114093, 152124, 170234, 228186, 255351, 340468, 456372, 510702, 595819, 766053, 1021404, 1191638, 1532106, 1787457, 2383276, 3064212, 3574914, 5362371, 7149828, 10724742, 21449484]

約数ペア:

[(1, 21449484), (2, 10724742), (3, 7149828), (4, 5362371), (6, 3574914), (7, 3064212), (9, 2383276), (12, 1787457), (14, 1532106), (18, 1191638), (21, 1021404), (28, 766053), (36, 595819), (42, 510702), (47, 456372), (63, 340468), (84, 255351), (94, 228186), (126, 170234), (141, 152124), (188, 114093), (252, 85117), (282, 76062), (329, 65196), (423, 50708), (564, 38031), (658, 32598), (846, 25354), (987, 21732), (1316, 16299), (1692, 12677), (1811, 11844), (1974, 10866), (2961, 7244), (3622, 5922), (3948, 5433)]