21601552

素因数分解:

$2^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 60

約数和(自身を含む): 49617360

約数和(自身を除く): 28015808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 98, 112, 118, 196, 236, 392, 413, 467, 472, 784, 826, 934, 944, 1652, 1868, 2891, 3269, 3304, 3736, 5782, 6538, 6608, 7472, 11564, 13076, 22883, 23128, 26152, 27553, 45766, 46256, 52304, 55106, 91532, 110212, 183064, 192871, 220424, 366128, 385742, 440848, 771484, 1350097, 1542968, 2700194, 3085936, 5400388, 10800776, 21601552]

約数ペア:

[(1, 21601552), (2, 10800776), (4, 5400388), (7, 3085936), (8, 2700194), (14, 1542968), (16, 1350097), (28, 771484), (49, 440848), (56, 385742), (59, 366128), (98, 220424), (112, 192871), (118, 183064), (196, 110212), (236, 91532), (392, 55106), (413, 52304), (467, 46256), (472, 45766), (784, 27553), (826, 26152), (934, 23128), (944, 22883), (1652, 13076), (1868, 11564), (2891, 7472), (3269, 6608), (3304, 6538), (3736, 5782)]