21601216

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3709}}^1$

素因数の和:3741

約数の個数: 56

約数和(自身を含む): 52771040

約数和(自身を除く): 31169824

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, 3709, 5824, 7418, 14836, 25963, 29672, 48217, 51926, 59344, 96434, 103852, 118688, 192868, 207704, 237376, 337519, 385736, 415408, 675038, 771472, 830816, 1350076, 1542944, 1661632, 2700152, 3085888, 5400304, 10800608, 21601216]

約数ペア:

[(1, 21601216), (2, 10800608), (4, 5400304), (7, 3085888), (8, 2700152), (13, 1661632), (14, 1542944), (16, 1350076), (26, 830816), (28, 771472), (32, 675038), (52, 415408), (56, 385736), (64, 337519), (91, 237376), (104, 207704), (112, 192868), (182, 118688), (208, 103852), (224, 96434), (364, 59344), (416, 51926), (448, 48217), (728, 29672), (832, 25963), (1456, 14836), (2912, 7418), (3709, 5824)]