21970816

素因数分解:

$2^7\times 7^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 53023680

約数和(自身を除く): 31052864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 113, 124, 128, 196, 217, 224, 226, 248, 392, 434, 448, 452, 496, 784, 791, 868, 896, 904, 992, 1519, 1568, 1582, 1736, 1808, 1984, 3038, 3136, 3164, 3472, 3503, 3616, 3968, 5537, 6076, 6272, 6328, 6944, 7006, 7232, 11074, 12152, 12656, 13888, 14012, 14464, 22148, 24304, 24521, 25312, 27776, 28024, 44296, 48608, 49042, 50624, 56048, 88592, 97216, 98084, 101248, 112096, 171647, 177184, 194432, 196168, 224192, 343294, 354368, 392336, 448384, 686588, 708736, 784672, 1373176, 1569344, 2746352, 3138688, 5492704, 10985408, 21970816]

約数ペア:

[(1, 21970816), (2, 10985408), (4, 5492704), (7, 3138688), (8, 2746352), (14, 1569344), (16, 1373176), (28, 784672), (31, 708736), (32, 686588), (49, 448384), (56, 392336), (62, 354368), (64, 343294), (98, 224192), (112, 196168), (113, 194432), (124, 177184), (128, 171647), (196, 112096), (217, 101248), (224, 98084), (226, 97216), (248, 88592), (392, 56048), (434, 50624), (448, 49042), (452, 48608), (496, 44296), (784, 28024), (791, 27776), (868, 25312), (896, 24521), (904, 24304), (992, 22148), (1519, 14464), (1568, 14012), (1582, 13888), (1736, 12656), (1808, 12152), (1984, 11074), (3038, 7232), (3136, 7006), (3164, 6944), (3472, 6328), (3503, 6272), (3616, 6076), (3968, 5537)]