21000422715

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1\times {\mathrm{12227}}^1$

素因数の和:14011

約数の個数: 32

約数和(自身を含む): 34124924160

約数和(自身を除く): 13124501445

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 1709, 5127, 8545, 12227, 25635, 36681, 61135, 114503, 183405, 343509, 572515, 819209, 1717545, 2457627, 4096045, 12288135, 20895943, 62687829, 104479715, 313439145, 1400028181, 4200084543, 7000140905, 21000422715]

約数ペア:

[(1, 21000422715), (3, 7000140905), (5, 4200084543), (15, 1400028181), (67, 313439145), (201, 104479715), (335, 62687829), (1005, 20895943), (1709, 12288135), (5127, 4096045), (8545, 2457627), (12227, 1717545), (25635, 819209), (36681, 572515), (61135, 343509), (114503, 183405)]