21551168

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 56

約数和(自身を含む): 46329600

約数和(自身を除く): 24778432

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 479, 592, 608, 703, 958, 1184, 1216, 1406, 1916, 2368, 2812, 3832, 5624, 7664, 9101, 11248, 15328, 17723, 18202, 22496, 30656, 35446, 36404, 44992, 70892, 72808, 141784, 145616, 283568, 291232, 336737, 567136, 582464, 673474, 1134272, 1346948, 2693896, 5387792, 10775584, 21551168]

約数ペア:

[(1, 21551168), (2, 10775584), (4, 5387792), (8, 2693896), (16, 1346948), (19, 1134272), (32, 673474), (37, 582464), (38, 567136), (64, 336737), (74, 291232), (76, 283568), (148, 145616), (152, 141784), (296, 72808), (304, 70892), (479, 44992), (592, 36404), (608, 35446), (703, 30656), (958, 22496), (1184, 18202), (1216, 17723), (1406, 15328), (1916, 11248), (2368, 9101), (2812, 7664), (3832, 5624)]