21936256

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{593}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 46501290

約数和(自身を除く): 24565034

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 593, 1088, 1156, 1186, 2176, 2312, 2372, 4624, 4744, 9248, 9488, 10081, 18496, 18976, 20162, 36992, 37952, 40324, 75904, 80648, 161296, 171377, 322592, 342754, 645184, 685508, 1290368, 1371016, 2742032, 5484064, 10968128, 21936256]

約数ペア:

[(1, 21936256), (2, 10968128), (4, 5484064), (8, 2742032), (16, 1371016), (17, 1290368), (32, 685508), (34, 645184), (64, 342754), (68, 322592), (128, 171377), (136, 161296), (272, 80648), (289, 75904), (544, 40324), (578, 37952), (593, 36992), (1088, 20162), (1156, 18976), (1186, 18496), (2176, 10081), (2312, 9488), (2372, 9248), (4624, 4744)]