21595438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 13966802

約数列:

[1, 2, 19, 38, 41, 82, 83, 166, 167, 334, 779, 1558, 1577, 3154, 3173, 3403, 6346, 6806, 6847, 13694, 13861, 27722, 64657, 129314, 130093, 260186, 263359, 526718, 568301, 1136602, 10797719, 21595438]

約数ペア:

[(1, 21595438), (2, 10797719), (19, 1136602), (38, 568301), (41, 526718), (82, 263359), (83, 260186), (166, 130093), (167, 129314), (334, 64657), (779, 27722), (1558, 13861), (1577, 13694), (3154, 6847), (3173, 6806), (3403, 6346)]