21693738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 29399766

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 93, 138, 186, 253, 341, 461, 506, 682, 713, 759, 922, 1023, 1383, 1426, 1518, 2046, 2139, 2766, 4278, 5071, 7843, 10142, 10603, 14291, 15213, 15686, 21206, 23529, 28582, 30426, 31809, 42873, 47058, 63618, 85746, 116633, 157201, 233266, 314402, 328693, 349899, 471603, 657386, 699798, 943206, 986079, 1972158, 3615623, 7231246, 10846869, 21693738]

約数ペア:

[(1, 21693738), (2, 10846869), (3, 7231246), (6, 3615623), (11, 1972158), (22, 986079), (23, 943206), (31, 699798), (33, 657386), (46, 471603), (62, 349899), (66, 328693), (69, 314402), (93, 233266), (138, 157201), (186, 116633), (253, 85746), (341, 63618), (461, 47058), (506, 42873), (682, 31809), (713, 30426), (759, 28582), (922, 23529), (1023, 21206), (1383, 15686), (1426, 15213), (1518, 14291), (2046, 10603), (2139, 10142), (2766, 7843), (4278, 5071)]