21149632

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2777}}^1$

素因数の和:2813

約数の個数: 56

約数和(自身を含む): 50804064

約数和(自身を除く): 29654432

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, 2777, 3808, 5554, 7616, 11108, 19439, 22216, 38878, 44432, 47209, 77756, 88864, 94418, 155512, 177728, 188836, 311024, 330463, 377672, 622048, 660926, 755344, 1244096, 1321852, 1510688, 2643704, 3021376, 5287408, 10574816, 21149632]

約数ペア:

[(1, 21149632), (2, 10574816), (4, 5287408), (7, 3021376), (8, 2643704), (14, 1510688), (16, 1321852), (17, 1244096), (28, 755344), (32, 660926), (34, 622048), (56, 377672), (64, 330463), (68, 311024), (112, 188836), (119, 177728), (136, 155512), (224, 94418), (238, 88864), (272, 77756), (448, 47209), (476, 44432), (544, 38878), (952, 22216), (1088, 19439), (1904, 11108), (2777, 7616), (3808, 5554)]