21423584

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1088

約数の個数: 72

約数和(自身を含む): 52888248

約数和(自身を除く): 31464664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1051, 1274, 1456, 1568, 2102, 2548, 2912, 4204, 5096, 7357, 8408, 10192, 13663, 14714, 16816, 20384, 27326, 29428, 33632, 51499, 54652, 58856, 95641, 102998, 109304, 117712, 191282, 205996, 218608, 235424, 382564, 411992, 437216, 669487, 765128, 823984, 1338974, 1530256, 1647968, 2677948, 3060512, 5355896, 10711792, 21423584]

約数ペア:

[(1, 21423584), (2, 10711792), (4, 5355896), (7, 3060512), (8, 2677948), (13, 1647968), (14, 1530256), (16, 1338974), (26, 823984), (28, 765128), (32, 669487), (49, 437216), (52, 411992), (56, 382564), (91, 235424), (98, 218608), (104, 205996), (112, 191282), (182, 117712), (196, 109304), (208, 102998), (224, 95641), (364, 58856), (392, 54652), (416, 51499), (637, 33632), (728, 29428), (784, 27326), (1051, 20384), (1274, 16816), (1456, 14714), (1568, 13663), (2102, 10192), (2548, 8408), (2912, 7357), (4204, 5096)]