21538048

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 53477172

約数和(自身を除く): 31939124

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 101, 112, 119, 128, 136, 196, 202, 224, 238, 256, 272, 392, 404, 448, 476, 544, 707, 784, 808, 833, 896, 952, 1088, 1414, 1568, 1616, 1666, 1717, 1792, 1904, 2176, 2828, 3136, 3232, 3332, 3434, 3808, 4352, 4949, 5656, 6272, 6464, 6664, 6868, 7616, 9898, 11312, 12019, 12544, 12928, 13328, 13736, 15232, 19796, 22624, 24038, 25856, 26656, 27472, 30464, 39592, 45248, 48076, 53312, 54944, 79184, 84133, 90496, 96152, 106624, 109888, 158368, 168266, 180992, 192304, 213248, 219776, 316736, 336532, 384608, 439552, 633472, 673064, 769216, 1266944, 1346128, 1538432, 2692256, 3076864, 5384512, 10769024, 21538048]

約数ペア:

[(1, 21538048), (2, 10769024), (4, 5384512), (7, 3076864), (8, 2692256), (14, 1538432), (16, 1346128), (17, 1266944), (28, 769216), (32, 673064), (34, 633472), (49, 439552), (56, 384608), (64, 336532), (68, 316736), (98, 219776), (101, 213248), (112, 192304), (119, 180992), (128, 168266), (136, 158368), (196, 109888), (202, 106624), (224, 96152), (238, 90496), (256, 84133), (272, 79184), (392, 54944), (404, 53312), (448, 48076), (476, 45248), (544, 39592), (707, 30464), (784, 27472), (808, 26656), (833, 25856), (896, 24038), (952, 22624), (1088, 19796), (1414, 15232), (1568, 13736), (1616, 13328), (1666, 12928), (1717, 12544), (1792, 12019), (1904, 11312), (2176, 9898), (2828, 7616), (3136, 6868), (3232, 6664), (3332, 6464), (3434, 6272), (3808, 5656), (4352, 4949)]