21704935

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 9998105

約数列:

[1, 5, 7, 19, 35, 95, 127, 133, 257, 635, 665, 889, 1285, 1799, 2413, 4445, 4883, 8995, 12065, 16891, 24415, 32639, 34181, 84455, 163195, 170905, 228473, 620141, 1142365, 3100705, 4340987, 21704935]

約数ペア:

[(1, 21704935), (5, 4340987), (7, 3100705), (19, 1142365), (35, 620141), (95, 228473), (127, 170905), (133, 163195), (257, 84455), (635, 34181), (665, 32639), (889, 24415), (1285, 16891), (1799, 12065), (2413, 8995), (4445, 4883)]