21332416

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2801}}^1$

素因数の和:2837

約数の個数: 56

約数和(自身を含む): 51242976

約数和(自身を除く): 29910560

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2801, 3808, 5602, 7616, 11204, 19607, 22408, 39214, 44816, 47617, 78428, 89632, 95234, 156856, 179264, 190468, 313712, 333319, 380936, 627424, 666638, 761872, 1254848, 1333276, 1523744, 2666552, 3047488, 5333104, 10666208, 21332416]

約数ペア:

[(1, 21332416), (2, 10666208), (4, 5333104), (7, 3047488), (8, 2666552), (14, 1523744), (16, 1333276), (17, 1254848), (28, 761872), (32, 666638), (34, 627424), (56, 380936), (64, 333319), (68, 313712), (112, 190468), (119, 179264), (136, 156856), (224, 95234), (238, 89632), (272, 78428), (448, 47617), (476, 44816), (544, 39214), (952, 22408), (1088, 19607), (1904, 11204), (2801, 7616), (3808, 5602)]