21695172

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 52527552

約数和(自身を除く): 30832380

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 131, 148, 222, 262, 373, 393, 444, 524, 746, 786, 1119, 1492, 1572, 2238, 4476, 4847, 9694, 13801, 14541, 19388, 27602, 29082, 41403, 48863, 55204, 58164, 82806, 97726, 146589, 165612, 195452, 293178, 586356, 1807931, 3615862, 5423793, 7231724, 10847586, 21695172]

約数ペア:

[(1, 21695172), (2, 10847586), (3, 7231724), (4, 5423793), (6, 3615862), (12, 1807931), (37, 586356), (74, 293178), (111, 195452), (131, 165612), (148, 146589), (222, 97726), (262, 82806), (373, 58164), (393, 55204), (444, 48863), (524, 41403), (746, 29082), (786, 27602), (1119, 19388), (1492, 14541), (1572, 13801), (2238, 9694), (4476, 4847)]