15921738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 41061120

約数和(自身を除く): 25139382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 126, 146, 189, 219, 378, 438, 511, 577, 657, 1022, 1154, 1314, 1533, 1731, 1971, 3066, 3462, 3942, 4039, 4599, 5193, 8078, 9198, 10386, 12117, 13797, 15579, 24234, 27594, 31158, 36351, 42121, 72702, 84242, 109053, 126363, 218106, 252726, 294847, 379089, 589694, 758178, 884541, 1137267, 1769082, 2274534, 2653623, 5307246, 7960869, 15921738]

約数ペア:

[(1, 15921738), (2, 7960869), (3, 5307246), (6, 2653623), (7, 2274534), (9, 1769082), (14, 1137267), (18, 884541), (21, 758178), (27, 589694), (42, 379089), (54, 294847), (63, 252726), (73, 218106), (126, 126363), (146, 109053), (189, 84242), (219, 72702), (378, 42121), (438, 36351), (511, 31158), (577, 27594), (657, 24234), (1022, 15579), (1154, 13797), (1314, 12117), (1533, 10386), (1731, 9198), (1971, 8078), (3066, 5193), (3462, 4599), (3942, 4039)]