21100352

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3623}}^1$

素因数の和:3655

約数の個数: 56

約数和(自身を含む): 51547776

約数和(自身を除く): 30447424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3623, 5824, 7246, 14492, 25361, 28984, 47099, 50722, 57968, 94198, 101444, 115936, 188396, 202888, 231872, 329693, 376792, 405776, 659386, 753584, 811552, 1318772, 1507168, 1623104, 2637544, 3014336, 5275088, 10550176, 21100352]

約数ペア:

[(1, 21100352), (2, 10550176), (4, 5275088), (7, 3014336), (8, 2637544), (13, 1623104), (14, 1507168), (16, 1318772), (26, 811552), (28, 753584), (32, 659386), (52, 405776), (56, 376792), (64, 329693), (91, 231872), (104, 202888), (112, 188396), (182, 115936), (208, 101444), (224, 94198), (364, 57968), (416, 50722), (448, 47099), (728, 28984), (832, 25361), (1456, 14492), (2912, 7246), (3623, 5824)]