21794528

素因数分解:

$2^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 49442400

約数和(自身を除く): 27647872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 149, 224, 298, 596, 653, 1043, 1192, 1306, 2086, 2384, 2612, 4172, 4571, 4768, 5224, 8344, 9142, 10448, 16688, 18284, 20896, 33376, 36568, 73136, 97297, 146272, 194594, 389188, 681079, 778376, 1362158, 1556752, 2724316, 3113504, 5448632, 10897264, 21794528]

約数ペア:

[(1, 21794528), (2, 10897264), (4, 5448632), (7, 3113504), (8, 2724316), (14, 1556752), (16, 1362158), (28, 778376), (32, 681079), (56, 389188), (112, 194594), (149, 146272), (224, 97297), (298, 73136), (596, 36568), (653, 33376), (1043, 20896), (1192, 18284), (1306, 16688), (2086, 10448), (2384, 9142), (2612, 8344), (4172, 5224), (4571, 4768)]