21577402

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19065158

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 167, 334, 839, 1169, 1678, 1837, 2338, 3674, 5873, 9229, 11746, 12859, 18458, 25718, 64603, 129206, 140113, 280226, 980791, 1541243, 1961582, 3082486, 10788701, 21577402]

約数ペア:

[(1, 21577402), (2, 10788701), (7, 3082486), (11, 1961582), (14, 1541243), (22, 980791), (77, 280226), (154, 140113), (167, 129206), (334, 64603), (839, 25718), (1169, 18458), (1678, 12859), (1837, 11746), (2338, 9229), (3674, 5873)]