21167552

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 56

約数和(自身を含む): 49341024

約数和(自身を除く): 28173472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 148, 224, 259, 296, 448, 518, 592, 1036, 1184, 1277, 2072, 2368, 2554, 4144, 5108, 8288, 8939, 10216, 16576, 17878, 20432, 35756, 40864, 47249, 71512, 81728, 94498, 143024, 188996, 286048, 330743, 377992, 572096, 661486, 755984, 1322972, 1511968, 2645944, 3023936, 5291888, 10583776, 21167552]

約数ペア:

[(1, 21167552), (2, 10583776), (4, 5291888), (7, 3023936), (8, 2645944), (14, 1511968), (16, 1322972), (28, 755984), (32, 661486), (37, 572096), (56, 377992), (64, 330743), (74, 286048), (112, 188996), (148, 143024), (224, 94498), (259, 81728), (296, 71512), (448, 47249), (518, 40864), (592, 35756), (1036, 20432), (1184, 17878), (1277, 16576), (2072, 10216), (2368, 8939), (2554, 8288), (4144, 5108)]